initial
This commit is contained in:
commit
4edb4a3449
3
.gitignore
vendored
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3
.gitignore
vendored
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@ -0,0 +1,3 @@
|
||||
*.o
|
||||
*.d
|
||||
main
|
||||
150
Makefile
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150
Makefile
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@ -0,0 +1,150 @@
|
||||
.SUFFIXES:
|
||||
.INTERMEDIATE:
|
||||
.SECONDARY:
|
||||
.PHONY: all clean
|
||||
|
||||
MAKEFILE_PATH := $(patsubst %/,%,$(dir $(abspath $(firstword $(MAKEFILE_LIST)))))
|
||||
|
||||
DEBUG = -g
|
||||
|
||||
CSTD += -std=gnu23
|
||||
CXXSTD += -std=gnu++23
|
||||
|
||||
CFLAGS += -Wall -Werror -Wfatal-errors
|
||||
CFLAGS += -Wno-error=unused-function
|
||||
CFLAGS += -Wno-error=unused-const-variable
|
||||
CFLAGS += -Wno-error=unused-but-set-variable
|
||||
CFLAGS += -Wno-error=unused-variable
|
||||
CFLAGS += -I$(MAKEFILE_PATH)/include
|
||||
CFLAGS += -I$(MAKEFILE_PATH)/puzzle
|
||||
CXXFLAGS += -fno-exceptions
|
||||
#CFLAGS += -DDEBUG_BUTTONS
|
||||
#CFLAGS += -DDEBUG_AXES
|
||||
LDFLAGS += -nostdlib++ -lm -static-libgcc
|
||||
ifeq ($(OS),Windows_NT)
|
||||
LDFLAGS += -Wl,--subsystem,windows -mwindows
|
||||
endif
|
||||
|
||||
ifndef GLFW
|
||||
$(error GLFW undefined)
|
||||
endif
|
||||
|
||||
ifdef I386
|
||||
ARCH='-m32'
|
||||
endif
|
||||
|
||||
ifeq ($(shell uname),Linux)
|
||||
|
||||
LDFLAGS += -z noexecstack
|
||||
ifdef I386
|
||||
OBJARCH = -O elf32-i386 -B i386
|
||||
else
|
||||
OBJARCH = -O elf64-x86-64 -B i386:x86-64
|
||||
endif
|
||||
|
||||
else
|
||||
|
||||
ifdef I386
|
||||
OBJARCH += -O pe-i386 -B i386
|
||||
else
|
||||
OBJARCH += -O pe-x86-64 -B i386:x86-64
|
||||
endif
|
||||
|
||||
endif # ifeq ($(shell uname),Linux)
|
||||
|
||||
DEPFLAGS = -MMD -MP
|
||||
|
||||
OPT = -Og
|
||||
|
||||
all: main
|
||||
|
||||
define BUILD_BINARY_O
|
||||
objcopy \
|
||||
-I binary $(OBJARCH) \
|
||||
--rename-section .data=.data.$(basename $@) \
|
||||
$< $@
|
||||
endef
|
||||
|
||||
makefile_path := $(dir $(abspath $(firstword $(MAKEFILE_LIST))))
|
||||
makefile_relative = $(shell realpath --relative-to $(makefile_path) $(1))
|
||||
as_obj_binary = $(subst -,_,$(subst .,_,$(subst /,_,$(subst .h,,$(call makefile_relative,$(1))))))
|
||||
as_obj_binary_p = _binary_$(call as_obj_binary,$(1))
|
||||
|
||||
define BUILD_BINARY_H
|
||||
@echo gen $(call makefile_relative,$@)
|
||||
@echo '#pragma once' > $@
|
||||
@echo '' >> $@
|
||||
@echo '#include <stdint.h>' >> $@
|
||||
@echo '' >> $@
|
||||
@echo '#ifdef __cplusplus' >> $@
|
||||
@echo 'extern "C" {' >> $@
|
||||
@echo '#endif' >> $@
|
||||
@echo '' >> $@
|
||||
@echo 'extern uint32_t $(call as_obj_binary_p,$<)_start __asm("$(call as_obj_binary_p,$<)_start");' >> $@
|
||||
@echo 'extern uint32_t $(call as_obj_binary_p,$<)_end __asm("$(call as_obj_binary_p,$<)_end");' >> $@
|
||||
@echo 'extern uint32_t $(call as_obj_binary_p,$<)_size __asm("$(call as_obj_binary_p,$<)_size");' >> $@
|
||||
@echo '' >> $@
|
||||
@echo '#define $(call as_obj_binary,$<)_start ((const char *)&$(call as_obj_binary_p,$<)_start)' >> $@
|
||||
@echo '#define $(call as_obj_binary,$<)_end ((const char *)&$(call as_obj_binary_p,$<)_end)' >> $@
|
||||
@echo '#define $(call as_obj_binary,$<)_size ($(call as_obj_binary,$<)_end - $(call as_obj_binary,$<)_start)' >> $@
|
||||
@echo '' >> $@
|
||||
@echo '#ifdef __cplusplus' >> $@
|
||||
@echo '}' >> $@
|
||||
@echo '#endif' >> $@
|
||||
endef
|
||||
|
||||
%.glsl.o: %.glsl
|
||||
$(BUILD_BINARY_O)
|
||||
|
||||
include/%.glsl.h: src/%.glsl
|
||||
$(BUILD_BINARY_H)
|
||||
|
||||
%.data.o: %.data
|
||||
$(BUILD_BINARY_O)
|
||||
|
||||
include/%.data.h: src/%.data
|
||||
$(BUILD_BINARY_H)
|
||||
|
||||
%.data.pal.o: %.data.pal
|
||||
$(BUILD_BINARY_O)
|
||||
|
||||
include/%.data.pal.h: src/%.data.pal
|
||||
$(BUILD_BINARY_H)
|
||||
|
||||
%/input.o: %/input
|
||||
$(BUILD_BINARY_O)
|
||||
|
||||
%/input.h: %/input
|
||||
$(BUILD_BINARY_H)
|
||||
|
||||
clean:
|
||||
rm -f *.o *.d *.gch
|
||||
rm -f main
|
||||
|
||||
%.o: %.cpp
|
||||
$(CXX) $(CXXSTD) $(ARCH) $(CFLAGS) $(OPT) $(DEBUG) $(DEPFLAGS) -MF ${<}.d -c $< -o $@
|
||||
|
||||
%.o: %.c
|
||||
$(CC) $(CSTD) $(ARCH) $(CFLAGS) $(CXXFLAGS) $(OPT) $(DEBUG) $(DEPFLAGS) -MF ${<}.d -c $< -o $@
|
||||
|
||||
MAIN_OBJS = \
|
||||
src/main.o \
|
||||
src/glad.o \
|
||||
src/opengl.o \
|
||||
$(GLFW)
|
||||
|
||||
main: $(MAIN_OBJS)
|
||||
$(CXX) $^ $(CXXFLAGS) $(ARCH) -o $@ $(LDFLAGS)
|
||||
|
||||
#-include $(shell find -type f -name 'src/*.d')
|
||||
|
||||
.SUFFIXES:
|
||||
.INTERMEDIATE:
|
||||
.SECONDARY:
|
||||
.PHONY: all clean
|
||||
|
||||
%: RCS/%,v
|
||||
%: RCS/%
|
||||
%: %,v
|
||||
%: s.%
|
||||
%: SCCS/s.%
|
||||
3661
include/glad.h
Normal file
3661
include/glad.h
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File diff suppressed because it is too large
Load Diff
25
include/opengl.h
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25
include/opengl.h
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|
||||
#pragma once
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
unsigned int compile_shader(const void * vp,
|
||||
const int vp_length,
|
||||
const void * fp,
|
||||
const int fp_length);
|
||||
|
||||
int make_buffer(unsigned int target,
|
||||
const void * data,
|
||||
size_t size);
|
||||
|
||||
int make_texture(const void * data,
|
||||
int internalformat,
|
||||
int width,
|
||||
int height,
|
||||
int format,
|
||||
int type);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
4147
puzzle/2025/01/input
Normal file
4147
puzzle/2025/01/input
Normal file
File diff suppressed because it is too large
Load Diff
19
puzzle/2025/01/input.h
Normal file
19
puzzle/2025/01/input.h
Normal file
@ -0,0 +1,19 @@
|
||||
#pragma once
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t _binary_puzzle_2025_01_input_start __asm("_binary_puzzle_2025_01_input_start");
|
||||
extern uint32_t _binary_puzzle_2025_01_input_end __asm("_binary_puzzle_2025_01_input_end");
|
||||
extern uint32_t _binary_puzzle_2025_01_input_size __asm("_binary_puzzle_2025_01_input_size");
|
||||
|
||||
#define puzzle_2025_01_input_start ((const char *)&_binary_puzzle_2025_01_input_start)
|
||||
#define puzzle_2025_01_input_end ((const char *)&_binary_puzzle_2025_01_input_end)
|
||||
#define puzzle_2025_01_input_size (puzzle_2025_01_input_end - puzzle_2025_01_input_start)
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
161
puzzle/2025/01/prompt.html
Normal file
161
puzzle/2025/01/prompt.html
Normal file
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|
||||
<!DOCTYPE html>
|
||||
<html lang="en-us">
|
||||
<head>
|
||||
<meta charset="utf-8"/>
|
||||
<title>Day 1 - Advent of Code 2025</title>
|
||||
<link rel="stylesheet" type="text/css" href="/static/style.css?32"/>
|
||||
<link rel="stylesheet alternate" type="text/css" href="/static/highcontrast.css?2" title="High Contrast"/>
|
||||
<link rel="shortcut icon" href="/favicon.png"/>
|
||||
<script>window.addEventListener('click', function(e,s,r){if(e.target.nodeName==='CODE'&&e.detail===3){s=window.getSelection();s.removeAllRanges();r=document.createRange();r.selectNodeContents(e.target);s.addRange(r);}});</script>
|
||||
</head><!--
|
||||
|
||||
|
||||
|
||||
|
||||
Oh, hello! Funny seeing you here.
|
||||
|
||||
I appreciate your enthusiasm, but you aren't going to find much down here.
|
||||
There certainly aren't clues to any of the puzzles. The best surprises don't
|
||||
even appear in the source until you unlock them for real.
|
||||
|
||||
Please be careful with automated requests; I'm not a massive company, and I can
|
||||
only take so much traffic. Please be considerate so that everyone gets to play.
|
||||
|
||||
If you're curious about how Advent of Code works, it's running on some custom
|
||||
Perl code. Other than a few integrations (auth, analytics, social media), I
|
||||
built the whole thing myself, including the design, animations, prose, and all
|
||||
of the puzzles.
|
||||
|
||||
The puzzles are most of the work; preparing a new calendar and a new set of
|
||||
puzzles takes all of my free time for months every year. A lot of effort went
|
||||
into building this thing - I hope you're enjoying playing it as much as I
|
||||
enjoyed making it for you!
|
||||
|
||||
If you'd like to hang out, I'm @was.tl on Bluesky and @ericwastl@hachyderm.io
|
||||
on Mastodon.
|
||||
|
||||
- Eric Wastl
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
-->
|
||||
<body>
|
||||
<header><div><h1 class="title-global"><a href="/">Advent of Code</a></h1><nav><ul><li><a href="/2025/about">[About]</a></li><li><a href="/2025/events">[Events]</a></li><li><a href="/2025/shop">[Shop]</a></li><li><a href="/2025/settings">[Settings]</a></li><li><a href="/2025/auth/logout">[Log Out]</a></li></ul></nav><div class="user">buhman</div></div><div><h1 class="title-event"> <span class="title-event-wrap">/*</span><a href="/2025">2025</a><span class="title-event-wrap">*/</span></h1><nav><ul><li><a href="/2025">[Calendar]</a></li><li><a href="/2025/support">[AoC++]</a></li><li><a href="/2025/sponsors">[Sponsors]</a></li><li><a href="/2025/leaderboard/private">[Leaderboards]</a></li><li><a href="/2025/stats">[Stats]</a></li></ul></nav></div></header>
|
||||
|
||||
<div id="sidebar">
|
||||
<div id="sponsor"><div class="quiet">Our <a href="/2025/sponsors">sponsors</a> help make Advent of Code possible:</div><div class="sponsor"><a href="/2025/sponsors/redirect?url=https%3A%2F%2Fcoderabbit%2Elink%2Fadventofcode" target="_blank" onclick="if(ga)ga('send','event','sponsor','sidebar',this.href);" rel="noopener">CodeRabbit</a> - Cut Code Review Time and Bugs in Half</div></div>
|
||||
</div><!--/sidebar-->
|
||||
|
||||
<main>
|
||||
<article class="day-desc"><h2>--- Day 1: Secret Entrance ---</h2><p>The Elves have good news and bad news.</p>
|
||||
<p>The good news is that they've discovered <a href="https://en.wikipedia.org/wiki/Project_management" target="_blank">project management</a>! This has given them the tools they need to prevent their usual Christmas emergency. For example, they now know that the North Pole decorations need to be finished soon so that other critical tasks can start on time.</p>
|
||||
<p>The bad news is that they've realized they have a <em>different</em> emergency: according to their resource planning, none of them have any time left to decorate the North Pole!</p>
|
||||
<p>To save Christmas, the Elves need <em>you</em> to <em>finish decorating the North Pole by December 12th</em>.</p>
|
||||
<p>Collect stars by solving puzzles. Two puzzles will be made available on each day; the second puzzle is unlocked when you complete the first. Each puzzle grants <em class="star">one star</em>. Good luck!</p>
|
||||
<p>You arrive at the secret entrance to the North Pole base ready to start decorating. Unfortunately, the <em>password</em> seems to have been changed, so you can't get in. A document taped to the wall helpfully explains:</p>
|
||||
<p>"Due to new security protocols, the password is locked in the safe below. Please see the attached document for the new combination."</p>
|
||||
<p>The safe has a dial with only an arrow on it; around the dial are the numbers <code>0</code> through <code>99</code> in order. As you turn the dial, it makes a small <em>click</em> noise as it reaches each number.</p>
|
||||
<p>The attached document (your puzzle input) contains a sequence of <em>rotations</em>, one per line, which tell you how to open the safe. A rotation starts with an <code>L</code> or <code>R</code> which indicates whether the rotation should be to the <em>left</em> (toward lower numbers) or to the <em>right</em> (toward higher numbers). Then, the rotation has a <em>distance</em> value which indicates how many clicks the dial should be rotated in that direction.</p>
|
||||
<p>So, if the dial were pointing at <code>11</code>, a rotation of <code>R8</code> would cause the dial to point at <code>19</code>. After that, a rotation of <code>L19</code> would cause it to point at <code>0</code>.</p>
|
||||
<p>Because the dial is a circle, turning the dial <em>left from <code>0</code></em> one click makes it point at <code>99</code>. Similarly, turning the dial <em>right from <code>99</code></em> one click makes it point at <code>0</code>.</p>
|
||||
<p>So, if the dial were pointing at <code>5</code>, a rotation of <code>L10</code> would cause it to point at <code>95</code>. After that, a rotation of <code>R5</code> could cause it to point at <code>0</code>.</p>
|
||||
<p>The dial starts by pointing at <code>50</code>.</p>
|
||||
<p>You could follow the instructions, but your recent required official North Pole secret entrance security training seminar taught you that the safe is actually a decoy. The actual password is <em>the number of times the dial is left pointing at <code>0</code> after any rotation in the sequence</em>.</p>
|
||||
<p>For example, suppose the attached document contained the following rotations:</p>
|
||||
<pre><code>L68
|
||||
L30
|
||||
R48
|
||||
L5
|
||||
R60
|
||||
L55
|
||||
L1
|
||||
L99
|
||||
R14
|
||||
L82
|
||||
</code></pre>
|
||||
<p>Following these rotations would cause the dial to move as follows:</p>
|
||||
<ul>
|
||||
<li>The dial starts by pointing at <code>50</code>.</li>
|
||||
<li>The dial is rotated <code>L68</code> to point at <code>82</code>.</li>
|
||||
<li>The dial is rotated <code>L30</code> to point at <code>52</code>.</li>
|
||||
<li>The dial is rotated <code>R48</code> to point at <code><em>0</em></code>.</li>
|
||||
<li>The dial is rotated <code>L5</code> to point at <code>95</code>.</li>
|
||||
<li>The dial is rotated <code>R60</code> to point at <code>55</code>.</li>
|
||||
<li>The dial is rotated <code>L55</code> to point at <code><em>0</em></code>.</li>
|
||||
<li>The dial is rotated <code>L1</code> to point at <code>99</code>.</li>
|
||||
<li>The dial is rotated <code>L99</code> to point at <code><em>0</em></code>.</li>
|
||||
<li>The dial is rotated <code>R14</code> to point at <code>14</code>.</li>
|
||||
<li>The dial is rotated <code>L82</code> to point at <code>32</code>.</li>
|
||||
</ul>
|
||||
<p>Because the dial points at <code>0</code> a total of three times during this process, the password in this example is <code><em>3</em></code>.</p>
|
||||
<p>Analyze the rotations in your attached document. <em>What's the actual password to open the door?</em></p>
|
||||
</article>
|
||||
<p>To begin, <a href="1/input" target="_blank">get your puzzle input</a>.</p>
|
||||
<form method="post" action="1/answer"><input type="hidden" name="level" value="1"/><p>Answer: <input type="text" name="answer" autocomplete="off"/> <input type="submit" value="[Submit]"/></p></form>
|
||||
<p>You can also <span class="share">[Share<span class="share-content">on
|
||||
<a href="https://bsky.app/intent/compose?text=%22Secret+Entrance%22+%2D+Day+1+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F1" target="_blank">Bluesky</a>
|
||||
<a href="https://twitter.com/intent/tweet?text=%22Secret+Entrance%22+%2D+Day+1+%2D+Advent+of+Code+2025&url=https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F1&related=ericwastl&hashtags=AdventOfCode" target="_blank">Twitter</a>
|
||||
<a href="javascript:void(0);" onclick="var ms; try{ms=localStorage.getItem('mastodon.server')}finally{} if(typeof ms!=='string')ms=''; ms=prompt('Mastodon Server?',ms); if(typeof ms==='string' && ms.length){this.href='https://'+ms+'/share?text=%22Secret+Entrance%22+%2D+Day+1+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F1';try{localStorage.setItem('mastodon.server',ms);}finally{}}else{return false;}" target="_blank">Mastodon</a
|
||||
></span>]</span> this puzzle.</p>
|
||||
</main>
|
||||
|
||||
<!-- ga -->
|
||||
<script>
|
||||
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
|
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(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
|
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m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
|
||||
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
|
||||
ga('create', 'UA-69522494-1', 'auto');
|
||||
ga('set', 'anonymizeIp', true);
|
||||
ga('send', 'pageview');
|
||||
</script>
|
||||
<!-- /ga -->
|
||||
</body>
|
||||
</html>
|
||||
1
puzzle/2025/02/input
Normal file
1
puzzle/2025/02/input
Normal file
@ -0,0 +1 @@
|
||||
5542145-5582046,243-401,884211-917063,1174-1665,767028-791710,308275-370459,285243789-285316649,3303028-3361832,793080-871112,82187-123398,7788-14096,21-34,33187450-33443224,2750031-2956556,19974-42168,37655953-37738891,1759-2640,55544-75026,9938140738-9938223673,965895186-966026269,502675-625082,11041548-11204207,1-20,3679-7591,8642243-8776142,40-88,2872703083-2872760877,532-998,211488-230593,3088932-3236371,442734-459620,8484829519-8484873271,5859767462-5859911897,9987328-10008767,656641-673714,262248430-262271846
|
||||
144
puzzle/2025/02/prompt.html
Normal file
144
puzzle/2025/02/prompt.html
Normal file
@ -0,0 +1,144 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en-us">
|
||||
<head>
|
||||
<meta charset="utf-8"/>
|
||||
<title>Day 2 - Advent of Code 2025</title>
|
||||
<link rel="stylesheet" type="text/css" href="/static/style.css?32"/>
|
||||
<link rel="stylesheet alternate" type="text/css" href="/static/highcontrast.css?2" title="High Contrast"/>
|
||||
<link rel="shortcut icon" href="/favicon.png"/>
|
||||
<script>window.addEventListener('click', function(e,s,r){if(e.target.nodeName==='CODE'&&e.detail===3){s=window.getSelection();s.removeAllRanges();r=document.createRange();r.selectNodeContents(e.target);s.addRange(r);}});</script>
|
||||
</head><!--
|
||||
|
||||
|
||||
|
||||
|
||||
Oh, hello! Funny seeing you here.
|
||||
|
||||
I appreciate your enthusiasm, but you aren't going to find much down here.
|
||||
There certainly aren't clues to any of the puzzles. The best surprises don't
|
||||
even appear in the source until you unlock them for real.
|
||||
|
||||
Please be careful with automated requests; I'm not a massive company, and I can
|
||||
only take so much traffic. Please be considerate so that everyone gets to play.
|
||||
|
||||
If you're curious about how Advent of Code works, it's running on some custom
|
||||
Perl code. Other than a few integrations (auth, analytics, social media), I
|
||||
built the whole thing myself, including the design, animations, prose, and all
|
||||
of the puzzles.
|
||||
|
||||
The puzzles are most of the work; preparing a new calendar and a new set of
|
||||
puzzles takes all of my free time for months every year. A lot of effort went
|
||||
into building this thing - I hope you're enjoying playing it as much as I
|
||||
enjoyed making it for you!
|
||||
|
||||
If you'd like to hang out, I'm @was.tl on Bluesky and @ericwastl@hachyderm.io
|
||||
on Mastodon.
|
||||
|
||||
- Eric Wastl
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
-->
|
||||
<body>
|
||||
<header><div><h1 class="title-global"><a href="/">Advent of Code</a></h1><nav><ul><li><a href="/2025/about">[About]</a></li><li><a href="/2025/events">[Events]</a></li><li><a href="/2025/shop">[Shop]</a></li><li><a href="/2025/settings">[Settings]</a></li><li><a href="/2025/auth/logout">[Log Out]</a></li></ul></nav><div class="user">buhman</div></div><div><h1 class="title-event"> <span class="title-event-wrap">/^</span><a href="/2025">2025</a><span class="title-event-wrap">$/</span></h1><nav><ul><li><a href="/2025">[Calendar]</a></li><li><a href="/2025/support">[AoC++]</a></li><li><a href="/2025/sponsors">[Sponsors]</a></li><li><a href="/2025/leaderboard/private">[Leaderboards]</a></li><li><a href="/2025/stats">[Stats]</a></li></ul></nav></div></header>
|
||||
|
||||
<div id="sidebar">
|
||||
<div id="sponsor"><div class="quiet">Our <a href="/2025/sponsors">sponsors</a> help make Advent of Code possible:</div><div class="sponsor"><a href="/2025/sponsors/redirect?url=https%3A%2F%2Fwww%2Edoppler%2Ecom%2Fadvent%2Dof%2Dcode%2D2025%3Fcoupon%3D4xsedlxM" target="_blank" onclick="if(ga)ga('send','event','sponsor','sidebar',this.href);" rel="noopener">Doppler</a> - No more .env headaches. Doppler automates secrets across CI/CD and every environment. Secure secrets. Ship faster. Try for free today!</div></div>
|
||||
</div><!--/sidebar-->
|
||||
|
||||
<main>
|
||||
<article class="day-desc"><h2>--- Day 2: Gift Shop ---</h2><p>You get inside and take the elevator to its only other stop: the gift shop. "Thank you for visiting the North Pole!" gleefully exclaims a nearby sign. You aren't sure who is even allowed to visit the North Pole, but you know you can access the lobby through here, and from there you can access the rest of the North Pole base.</p>
|
||||
<p>As you make your way through the <span title="They even sell lunch boxes and blue tents!">surprisingly extensive</span> selection, one of the clerks recognizes you and asks for your help.</p>
|
||||
<p>As it turns out, one of the younger Elves was playing on a gift shop computer and managed to add a whole bunch of invalid product IDs to their gift shop database! Surely, it would be no trouble for you to identify the invalid product IDs for them, right?</p>
|
||||
<p>They've even checked most of the product ID ranges already; they only have a few product ID ranges (your puzzle input) that you'll need to check. For example:</p>
|
||||
<pre><code>11-22,95-115,998-1012,1188511880-1188511890,222220-222224,
|
||||
1698522-1698528,446443-446449,38593856-38593862,565653-565659,
|
||||
824824821-824824827,2121212118-2121212124</code></pre>
|
||||
<p>(The ID ranges are wrapped here for legibility; in your input, they appear on a single long line.)</p>
|
||||
<p>The ranges are separated by commas (<code>,</code>); each range gives its <em>first ID</em> and <em>last ID</em> separated by a dash (<code>-</code>).</p>
|
||||
<p>Since the young Elf was just doing silly patterns, you can find the <em>invalid IDs</em> by looking for any ID which is made only of some sequence of digits repeated twice. So, <code>55</code> (<code>5</code> twice), <code>6464</code> (<code>64</code> twice), and <code>123123</code> (<code>123</code> twice) would all be invalid IDs.</p>
|
||||
<p>None of the numbers have leading zeroes; <code>0101</code> isn't an ID at all. (<code>101</code> is a <em>valid</em> ID that you would ignore.)</p>
|
||||
<p>Your job is to find all of the invalid IDs that appear in the given ranges. In the above example:</p>
|
||||
<ul>
|
||||
<li><code>11-22</code> has two invalid IDs, <code><em>11</em></code> and <code><em>22</em></code>.</li>
|
||||
<li><code>95-115</code> has one invalid ID, <code><em>99</em></code>.</li>
|
||||
<li><code>998-1012</code> has one invalid ID, <code><em>1010</em></code>.</li>
|
||||
<li><code>1188511880-1188511890</code> has one invalid ID, <code><em>1188511885</em></code>.</li>
|
||||
<li><code>222220-222224</code> has one invalid ID, <code><em>222222</em></code>.</li>
|
||||
<li><code>1698522-1698528</code> contains no invalid IDs.</li>
|
||||
<li><code>446443-446449</code> has one invalid ID, <code><em>446446</em></code>.</li>
|
||||
<li><code>38593856-38593862</code> has one invalid ID, <code><em>38593859</em></code>.</li>
|
||||
<li>The rest of the ranges contain no invalid IDs.</li>
|
||||
</ul>
|
||||
<p>Adding up all the invalid IDs in this example produces <code><em>1227775554</em></code>.</p>
|
||||
<p><em>What do you get if you add up all of the invalid IDs?</em></p>
|
||||
</article>
|
||||
<p>To begin, <a href="2/input" target="_blank">get your puzzle input</a>.</p>
|
||||
<form method="post" action="2/answer"><input type="hidden" name="level" value="1"/><p>Answer: <input type="text" name="answer" autocomplete="off"/> <input type="submit" value="[Submit]"/></p></form>
|
||||
<p>You can also <span class="share">[Share<span class="share-content">on
|
||||
<a href="https://bsky.app/intent/compose?text=%22Gift+Shop%22+%2D+Day+2+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F2" target="_blank">Bluesky</a>
|
||||
<a href="https://twitter.com/intent/tweet?text=%22Gift+Shop%22+%2D+Day+2+%2D+Advent+of+Code+2025&url=https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F2&related=ericwastl&hashtags=AdventOfCode" target="_blank">Twitter</a>
|
||||
<a href="javascript:void(0);" onclick="var ms; try{ms=localStorage.getItem('mastodon.server')}finally{} if(typeof ms!=='string')ms=''; ms=prompt('Mastodon Server?',ms); if(typeof ms==='string' && ms.length){this.href='https://'+ms+'/share?text=%22Gift+Shop%22+%2D+Day+2+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F2';try{localStorage.setItem('mastodon.server',ms);}finally{}}else{return false;}" target="_blank">Mastodon</a
|
||||
></span>]</span> this puzzle.</p>
|
||||
</main>
|
||||
|
||||
<!-- ga -->
|
||||
<script>
|
||||
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
|
||||
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
|
||||
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
|
||||
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
|
||||
ga('create', 'UA-69522494-1', 'auto');
|
||||
ga('set', 'anonymizeIp', true);
|
||||
ga('send', 'pageview');
|
||||
</script>
|
||||
<!-- /ga -->
|
||||
</body>
|
||||
</html>
|
||||
200
puzzle/2025/03/input
Normal file
200
puzzle/2025/03/input
Normal file
@ -0,0 +1,200 @@
|
||||
6739459674389333459433695375559949344734767926833587823236783998689734978783695374574455875833736627
|
||||
2373132532343213331342343333323324363713834443362242454554343333223332333335533234623223382233732244
|
||||
2222441333231342122121622224212212232122222112222122311332222212273223433234222423211112132353251223
|
||||
2272421512212232712632222221523524213442212223262216623152226212222221225272522223212222532222422323
|
||||
2217222212362341131525335321122324234324223212742131242212142527224532246323122744833459212221122131
|
||||
6813346133475314448426121761834648738623643213726761185353582458174121486641462776426112246165435119
|
||||
2235322222212422321231252252212322241213233213221351223222222622222545214222213222322232422213132241
|
||||
7648868634667457694727389566453477683138824974478548353762562379434349956786463565646545578448865493
|
||||
2232322222272322552342542212222432512231313132533323713323222121122925282112215142213222222221221422
|
||||
7378621536927447566642237444326735875635564782944732267883374679374572291556321372283535258364561428
|
||||
1334223114253224534122334243242124273114222224322272334943143264254333322328312323224743333223222413
|
||||
5283934323221234344351874335434342554432424342322757233443633433247254423333534425541235222323429255
|
||||
6122264424275543533425551322224123443423422244434233542422226242126336524322442444524234552411263232
|
||||
3443433244333314444224322523243224242332342332231522315233263422237434428222432123142363223243122323
|
||||
2233352333342262213333232263345434333233236442643232343223622333542433543232553723343472444343144344
|
||||
1235322122234425513353323233233121313223332222322324126232232333222223222237222333233323333214223323
|
||||
4325536553242521223435445232395213355134524142322535362352345232535235334532452224141422535244355336
|
||||
1531221153311234144121313322135341553411453555332543414153122541252131523331312331122441352413256789
|
||||
2232231112132223322312321422222224211322231122222222222312222325233322325622212332222132322222222221
|
||||
2271154221775226562431222343772273735324566146362762534541555626247166372734737154373435715644351589
|
||||
1322321221282223222123242423224522232222222321132212222321512722312232222244311522253532222122221222
|
||||
5675373654492446328553454633465763638638344343656363366623636255464662661735553323346336465333638336
|
||||
6222154822345362222322222522826252516222212162122242142222622122427422231223222223423614522215652242
|
||||
6222632224242211424242122221223142223522122272314221322111422725222212233232111222111221311222122223
|
||||
7733645442442732531223245525486362495334532522464225353224187425436324512624552272122562562232464133
|
||||
3122212312222222223262221222241212424214221222222252222212222331144322372726213221422222122222222221
|
||||
3317564633543532241232338653138233333333364324334323332543322237249336434693237335433133563657333654
|
||||
2222112144232342525175554221722162744427124325232272237315162252521294737141422751612264275623365412
|
||||
5233336323444433338634333933257235232354342523921453333345233233432644331633334383243645338643368232
|
||||
6555744775753685565359587685688568577765366857785355475445486372239447764684674376558464546868574784
|
||||
3131322312625422313233136243434323233235451234422242642422221233433241342243343332222333122346552351
|
||||
5545548564544551455444547425574454555985534445454524586545294455554235363458655233939254543595655353
|
||||
2359665436622224221613324821315324832636221353316524645512225232332321223262434122723638222264123246
|
||||
1333332423122433422244223222413244221332222222331334124322323329146144322323222422225353223432143332
|
||||
2252325526527774625423122221535454723322284746512441336421532621335835341737442224474213326432923142
|
||||
5766753863736644458639676412563282136344433663331635335665536244554854252673336867536454745553535586
|
||||
5139931557883857995839397424342233394134332434843834938397764484863413686484933823989527723385843673
|
||||
7286354682444934529442314333841634632432443946348225224943437945312764582252426642212443354433463245
|
||||
5333223424222352523443254452734543444234454442121354623444212324542542244445314223324234433224341241
|
||||
2336332233323335432319231323313522133234131534443333333332433123523233523223166334633533319254346322
|
||||
3333333143332223113333442323223342232243235425354354334356334432335435533321344432432242742523542442
|
||||
2261454235142314252241242213243143364232222332141662222322248442436223423324264231211282313214412424
|
||||
3488334264566233754443373333343622327563345364254589363855559833246336332334356352363232364353368336
|
||||
1232122227141322242221232223224122312242228221224222246224222232213222212222221222222232212222422231
|
||||
3236763295122212613233243222122225436251538243322312245321313565232523264723325426332723223263241226
|
||||
1222222232335142362222123254322223622322422223426444223622322223434432433222525212484422336222122133
|
||||
2322424323244432341252312213322335622323221422345313125352332433421222212431335222342332124312432442
|
||||
3232821222332422722233212211212324153232331422222222321222323322223622272523212713232321332413272622
|
||||
3422652314245672235233363232413624422433323321424244162284333425222232322256212251232238721357223148
|
||||
7774837647487566658756757755755847647655586686578356759987875456786575764558968987878778565587969586
|
||||
1234223452224271232352455273726233633352227221354347283132212635572422643245234445451363372373482533
|
||||
5545555754466555455554847555655474545653574744655454656557557545555565555443556555756654565567525555
|
||||
5553554575554637555471355555154554444754485554555554465523825542545538455434435424455955526476554764
|
||||
3254522513355333222211324322242533123234124252622229333233422522362352423245261252142252422114324223
|
||||
2425344423234243432242213333252242333444451414325232234342213224352224134253221152324523223532441142
|
||||
2582466442443388322624223813222631742479616132436235434553312364912322732234884746223356613144486223
|
||||
3636223323332312624333322113312432342431432142262253223314236396612381142232422222213122423643323362
|
||||
7325293432331383666195334723512337573622433434353563239235379451235352335833733463443262233842631543
|
||||
2232624222332421511175521154321232335222932322461112227222122223213224257225223228222231413222222322
|
||||
4552958886759955368935997537673735734558749419267255538878465394745752594544365557345558264585655169
|
||||
2226216222224424524222422122422222224543262772122116426553224212223554631621145422424122825225242116
|
||||
1222335126326444352764222342426663636441411345223343625343235185633672347245263355582632531664629135
|
||||
6446446722356324442432213242214223324334335245335452632255422221143347414572397313223584225324331422
|
||||
5224345323222424434244363345434133334432432442422434334343444345442434433343442433454144443324346244
|
||||
5336333663337324323323235333336533343334125433374634569233686933546363236465133343459236212383233315
|
||||
3431212332243413441121331234133441131314434431411433224142211222213143223434341442213344211133456789
|
||||
5443222683292272324125357143312453332369372333522333233932316972333341214932333824122147432321723342
|
||||
2367262824212222291672572242672121223153327226222625761267322242612343213625422253225276322142114524
|
||||
6974563985343496663494433344643427344996686328654636476843646347684276485993646913458343453532176484
|
||||
2312521543522312123137242323132222221231426242224327114213221222242224322222552327224254122142112333
|
||||
6223242624251223217243624212512223241767442131244861652377673335441221242314494224319222352132462144
|
||||
2333332335532332253234215732233323322235422433832233633332422321433233353223223324633524336332332224
|
||||
2222222254612122222211642121222141234242212212122224252225222222211221224421423222122222532122221124
|
||||
7421232222222133463122231324223212213131262222222222262223222217223332222242112324223212223323223222
|
||||
3772242534373521568445363327624535346923343253955164573325436332351227545337435465955345446335669443
|
||||
5858895152574569257889189996518531539296968776753453347738719235827481499877364362498567754855232996
|
||||
4342235342363223564433432224563177215352333463431323332332366346334374333222313642241822536513753653
|
||||
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||||
2423442532223524223122234133414442223441212221427223222232221222222126522422542211125452121224231354
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||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
5344331336363574334353641632133233443333323413442443343323633245842438635472374733453364333646334433
|
||||
9444334434444244644444345323745554354344344442435442435432433266524353434344383446433135455453554445
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
2222353561222523135513522223232521222522222242432335222215412222223212333534452236531127122125221212
|
||||
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|
||||
3333362346234532333524724934541315323533324353333233612233443433323533333394347536227433666337336345
|
||||
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|
||||
3342333423262333433223332234432223332323323233423328434732342233331733323332432433321152213332433334
|
||||
3333313232317322332533333233335133721333233433822273382244353338333441233242825341253133329383633221
|
||||
2322243422312132242231323224322324422135322335433593322322522123323251242522132231334321332322335223
|
||||
5635623236946239558355233633854435593532134143353443243324233533164555442233345444454463345533536943
|
||||
3544244193244226529332426724342221335632234551423312214452252222623354242453451522223552173531454254
|
||||
8316113362363225333531324323422213323312453324252323432416222221353339564652322435137224342323323333
|
||||
7342633555612222253253223233314222132543262332234425246244543534553653523375332342323242224241345132
|
||||
2426443634943333523434526234444346524431545314136223423324424436344554416413323244144424537235436263
|
||||
2422345222227262832125222262122535563213221362163123126225342722332424326626434424452442652213242233
|
||||
2695512227221334661242722252244682332252321214131628211624213412225241322622222125224122222215272282
|
||||
8352222447535225362515335225152142332257652128665342313311225323322435782254832283123285572331272623
|
||||
2522423322322452621212352246423223132352222625543322132323122213622223136386123225124222253232522212
|
||||
6233333553433344335534335441536333444432144432234444434333424533233441434443342335444542211343343443
|
||||
4353732444512234333345235313431332543323433323223443373336442333335434932835543135333462635233343534
|
||||
139
puzzle/2025/03/prompt.html
Normal file
139
puzzle/2025/03/prompt.html
Normal file
@ -0,0 +1,139 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en-us">
|
||||
<head>
|
||||
<meta charset="utf-8"/>
|
||||
<title>Day 3 - Advent of Code 2025</title>
|
||||
<link rel="stylesheet" type="text/css" href="/static/style.css?32"/>
|
||||
<link rel="stylesheet alternate" type="text/css" href="/static/highcontrast.css?2" title="High Contrast"/>
|
||||
<link rel="shortcut icon" href="/favicon.png"/>
|
||||
<script>window.addEventListener('click', function(e,s,r){if(e.target.nodeName==='CODE'&&e.detail===3){s=window.getSelection();s.removeAllRanges();r=document.createRange();r.selectNodeContents(e.target);s.addRange(r);}});</script>
|
||||
</head><!--
|
||||
|
||||
|
||||
|
||||
|
||||
Oh, hello! Funny seeing you here.
|
||||
|
||||
I appreciate your enthusiasm, but you aren't going to find much down here.
|
||||
There certainly aren't clues to any of the puzzles. The best surprises don't
|
||||
even appear in the source until you unlock them for real.
|
||||
|
||||
Please be careful with automated requests; I'm not a massive company, and I can
|
||||
only take so much traffic. Please be considerate so that everyone gets to play.
|
||||
|
||||
If you're curious about how Advent of Code works, it's running on some custom
|
||||
Perl code. Other than a few integrations (auth, analytics, social media), I
|
||||
built the whole thing myself, including the design, animations, prose, and all
|
||||
of the puzzles.
|
||||
|
||||
The puzzles are most of the work; preparing a new calendar and a new set of
|
||||
puzzles takes all of my free time for months every year. A lot of effort went
|
||||
into building this thing - I hope you're enjoying playing it as much as I
|
||||
enjoyed making it for you!
|
||||
|
||||
If you'd like to hang out, I'm @was.tl on Bluesky and @ericwastl@hachyderm.io
|
||||
on Mastodon.
|
||||
|
||||
- Eric Wastl
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
-->
|
||||
<body>
|
||||
<header><div><h1 class="title-global"><a href="/">Advent of Code</a></h1><nav><ul><li><a href="/2025/about">[About]</a></li><li><a href="/2025/events">[Events]</a></li><li><a href="/2025/shop">[Shop]</a></li><li><a href="/2025/settings">[Settings]</a></li><li><a href="/2025/auth/logout">[Log Out]</a></li></ul></nav><div class="user">buhman</div></div><div><h1 class="title-event"> <span class="title-event-wrap">sub y{</span><a href="/2025">2025</a><span class="title-event-wrap">}</span></h1><nav><ul><li><a href="/2025">[Calendar]</a></li><li><a href="/2025/support">[AoC++]</a></li><li><a href="/2025/sponsors">[Sponsors]</a></li><li><a href="/2025/leaderboard/private">[Leaderboards]</a></li><li><a href="/2025/stats">[Stats]</a></li></ul></nav></div></header>
|
||||
|
||||
<div id="sidebar">
|
||||
<div id="sponsor"><div class="quiet">Our <a href="/2025/sponsors">sponsors</a> help make Advent of Code possible:</div><div class="sponsor"><a href="/2025/sponsors/redirect?url=https%3A%2F%2Fcloudsmith%2Ecom%2F%3F%26utm%5Fsource%3Dadvent%5Fof%5Fcode2025%26utm%5Fmedium%3Dpaid%5Fdisplay%26utm%5Fcampaign%3D%26utm%5Fcontent%3Dhomepage" target="_blank" onclick="if(ga)ga('send','event','sponsor','sidebar',this.href);" rel="noopener">Cloudsmith</a> - Cloud-native artifact management that handles enterprise security and scale. Artifacts shouldn't slow you down. We run the platform that locks down and distributes your software supply chain, no matter the shape or complexity.</div></div>
|
||||
</div><!--/sidebar-->
|
||||
|
||||
<main>
|
||||
<article class="day-desc"><h2>--- Day 3: Lobby ---</h2><p>You descend a short staircase, enter the surprisingly vast lobby, and are quickly cleared by the security checkpoint. When you get to the main elevators, however, you discover that each one has a red light above it: they're all <em>offline</em>.</p>
|
||||
<p>"Sorry about that," an Elf apologizes as she tinkers with a nearby control panel. "Some kind of electrical surge seems to have fried them. I'll try to get them online soon."</p>
|
||||
<p>You explain your need to get further underground. "Well, you could at least take the escalator down to the printing department, not that you'd get much further than that without the elevators working. That is, you could if the escalator weren't also <span title="Escalator temporarily stairs. Sorry for the convenience.">offline</span>."</p>
|
||||
<p>"But, don't worry! It's not fried; it just needs power. Maybe you can get it running while I keep working on the elevators."</p>
|
||||
<p>There are batteries nearby that can supply emergency power to the escalator for just such an occasion. The batteries are each labeled with their <a href="/2020/day/10">joltage</a> rating, a value from <code>1</code> to <code>9</code>. You make a note of their joltage ratings (your puzzle input). For example:</p>
|
||||
<pre><code>987654321111111
|
||||
811111111111119
|
||||
234234234234278
|
||||
818181911112111
|
||||
</code></pre>
|
||||
<p>The batteries are arranged into <em>banks</em>; each line of digits in your input corresponds to a single bank of batteries. Within each bank, you need to turn on <em>exactly two</em> batteries; the joltage that the bank produces is equal to the number formed by the digits on the batteries you've turned on. For example, if you have a bank like <code>12345</code> and you turn on batteries <code>2</code> and <code>4</code>, the bank would produce <code>24</code> jolts. (You cannot rearrange batteries.)</p>
|
||||
<p>You'll need to find the largest possible joltage each bank can produce. In the above example:</p>
|
||||
<ul>
|
||||
<li>In <code><em>98</em>7654321111111</code>, you can make the largest joltage possible, <em><code>98</code></em>, by turning on the first two batteries.</li>
|
||||
<li>In <code><em>8</em>1111111111111<em>9</em></code>, you can make the largest joltage possible by turning on the batteries labeled <code>8</code> and <code>9</code>, producing <em><code>89</code></em> jolts.</li>
|
||||
<li>In <code>2342342342342<em>78</em></code>, you can make <em><code>78</code></em> by turning on the last two batteries (marked <code>7</code> and <code>8</code>).</li>
|
||||
<li>In <code>818181<em>9</em>1111<em>2</em>111</code>, the largest joltage you can produce is <em><code>92</code></em>.</li>
|
||||
</ul>
|
||||
<p>The total output joltage is the sum of the maximum joltage from each bank, so in this example, the total output joltage is <code>98</code> + <code>89</code> + <code>78</code> + <code>92</code> = <code><em>357</em></code>.</p>
|
||||
<p>There are many batteries in front of you. Find the maximum joltage possible from each bank; <em>what is the total output joltage?</em></p>
|
||||
</article>
|
||||
<p>To begin, <a href="3/input" target="_blank">get your puzzle input</a>.</p>
|
||||
<form method="post" action="3/answer"><input type="hidden" name="level" value="1"/><p>Answer: <input type="text" name="answer" autocomplete="off"/> <input type="submit" value="[Submit]"/></p></form>
|
||||
<p>You can also <span class="share">[Share<span class="share-content">on
|
||||
<a href="https://bsky.app/intent/compose?text=%22Lobby%22+%2D+Day+3+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F3" target="_blank">Bluesky</a>
|
||||
<a href="https://twitter.com/intent/tweet?text=%22Lobby%22+%2D+Day+3+%2D+Advent+of+Code+2025&url=https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F3&related=ericwastl&hashtags=AdventOfCode" target="_blank">Twitter</a>
|
||||
<a href="javascript:void(0);" onclick="var ms; try{ms=localStorage.getItem('mastodon.server')}finally{} if(typeof ms!=='string')ms=''; ms=prompt('Mastodon Server?',ms); if(typeof ms==='string' && ms.length){this.href='https://'+ms+'/share?text=%22Lobby%22+%2D+Day+3+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F3';try{localStorage.setItem('mastodon.server',ms);}finally{}}else{return false;}" target="_blank">Mastodon</a
|
||||
></span>]</span> this puzzle.</p>
|
||||
</main>
|
||||
|
||||
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||||
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|
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</html>
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137
puzzle/2025/04/input
Normal file
137
puzzle/2025/04/input
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|
||||
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
||||
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|
||||
@@...@.@.@@.@@@.@@.@.@..@@@@@@@@@@@@.@@@.@@.@.@@@@@..@@..@@.@..@.@@@.@@.@.@@..@@..@@@..@@.@..@@.@..@@@@@@@..@@@.@@@@@@.@.@@@@.@.@@.@@@@@@
|
||||
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|
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|
||||
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|
||||
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||||
150
puzzle/2025/04/prompt.html
Normal file
150
puzzle/2025/04/prompt.html
Normal file
@ -0,0 +1,150 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en-us">
|
||||
<head>
|
||||
<meta charset="utf-8"/>
|
||||
<title>Day 4 - Advent of Code 2025</title>
|
||||
<link rel="stylesheet" type="text/css" href="/static/style.css?32"/>
|
||||
<link rel="stylesheet alternate" type="text/css" href="/static/highcontrast.css?2" title="High Contrast"/>
|
||||
<link rel="shortcut icon" href="/favicon.png"/>
|
||||
<script>window.addEventListener('click', function(e,s,r){if(e.target.nodeName==='CODE'&&e.detail===3){s=window.getSelection();s.removeAllRanges();r=document.createRange();r.selectNodeContents(e.target);s.addRange(r);}});</script>
|
||||
</head><!--
|
||||
|
||||
|
||||
|
||||
|
||||
Oh, hello! Funny seeing you here.
|
||||
|
||||
I appreciate your enthusiasm, but you aren't going to find much down here.
|
||||
There certainly aren't clues to any of the puzzles. The best surprises don't
|
||||
even appear in the source until you unlock them for real.
|
||||
|
||||
Please be careful with automated requests; I'm not a massive company, and I can
|
||||
only take so much traffic. Please be considerate so that everyone gets to play.
|
||||
|
||||
If you're curious about how Advent of Code works, it's running on some custom
|
||||
Perl code. Other than a few integrations (auth, analytics, social media), I
|
||||
built the whole thing myself, including the design, animations, prose, and all
|
||||
of the puzzles.
|
||||
|
||||
The puzzles are most of the work; preparing a new calendar and a new set of
|
||||
puzzles takes all of my free time for months every year. A lot of effort went
|
||||
into building this thing - I hope you're enjoying playing it as much as I
|
||||
enjoyed making it for you!
|
||||
|
||||
If you'd like to hang out, I'm @was.tl on Bluesky and @ericwastl@hachyderm.io
|
||||
on Mastodon.
|
||||
|
||||
- Eric Wastl
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
-->
|
||||
<body>
|
||||
<header><div><h1 class="title-global"><a href="/">Advent of Code</a></h1><nav><ul><li><a href="/2025/about">[About]</a></li><li><a href="/2025/events">[Events]</a></li><li><a href="/2025/shop">[Shop]</a></li><li><a href="/2025/settings">[Settings]</a></li><li><a href="/2025/auth/logout">[Log Out]</a></li></ul></nav><div class="user">buhman</div></div><div><h1 class="title-event"> <span class="title-event-wrap">/^</span><a href="/2025">2025</a><span class="title-event-wrap">$/</span></h1><nav><ul><li><a href="/2025">[Calendar]</a></li><li><a href="/2025/support">[AoC++]</a></li><li><a href="/2025/sponsors">[Sponsors]</a></li><li><a href="/2025/leaderboard/private">[Leaderboards]</a></li><li><a href="/2025/stats">[Stats]</a></li></ul></nav></div></header>
|
||||
|
||||
<div id="sidebar">
|
||||
<div id="sponsor"><div class="quiet">Our <a href="/2025/sponsors">sponsors</a> help make Advent of Code possible:</div><div class="sponsor"><a href="/2025/sponsors/redirect?url=https%3A%2F%2Feu1%2Ehubs%2Ely%2FH0q0W730" target="_blank" onclick="if(ga)ga('send','event','sponsor','sidebar',this.href);" rel="noopener">CGI</a> - Join our Software Development Revolution. Discover how AI is transforming the way we build software and how we're building what's next.</div></div>
|
||||
</div><!--/sidebar-->
|
||||
|
||||
<main>
|
||||
<article class="day-desc"><h2>--- Day 4: Printing Department ---</h2><p>You ride the escalator down to the printing department. They're clearly getting ready for Christmas; they have lots of large rolls of paper everywhere, and there's even a massive printer in the corner (to handle the really <span title="This joke is stupid and I love it.">big</span> print jobs).</p>
|
||||
<p>Decorating here will be easy: they can make their own decorations. What you really need is a way to get further into the North Pole base while the elevators are offline.</p>
|
||||
<p>"Actually, maybe we can help with that," one of the Elves replies when you ask for help. "We're pretty sure there's a cafeteria on the other side of the back wall. If we could break through the wall, you'd be able to keep moving. It's too bad all of our forklifts are so busy moving those big rolls of paper around."</p>
|
||||
<p>If you can optimize the work the forklifts are doing, maybe they would have time to spare to break through the wall.</p>
|
||||
<p>The rolls of paper (<code>@</code>) are arranged on a large grid; the Elves even have a helpful diagram (your puzzle input) indicating where everything is located.</p>
|
||||
<p>For example:</p>
|
||||
<pre><code>..@@.@@@@.
|
||||
@@@.@.@.@@
|
||||
@@@@@.@.@@
|
||||
@.@@@@..@.
|
||||
@@.@@@@.@@
|
||||
.@@@@@@@.@
|
||||
.@.@.@.@@@
|
||||
@.@@@.@@@@
|
||||
.@@@@@@@@.
|
||||
@.@.@@@.@.
|
||||
</code></pre>
|
||||
<p>The forklifts can only access a roll of paper if there are <em>fewer than four rolls of paper</em> in the eight adjacent positions. If you can figure out which rolls of paper the forklifts can access, they'll spend less time looking and more time breaking down the wall to the cafeteria.</p>
|
||||
<p>In this example, there are <code><em>13</em></code> rolls of paper that can be accessed by a forklift (marked with <code>x</code>):</p>
|
||||
<pre><code>..xx.xx@x.
|
||||
x@@.@.@.@@
|
||||
@@@@@.x.@@
|
||||
@.@@@@..@.
|
||||
x@.@@@@.@x
|
||||
.@@@@@@@.@
|
||||
.@.@.@.@@@
|
||||
x.@@@.@@@@
|
||||
.@@@@@@@@.
|
||||
x.x.@@@.x.
|
||||
</code></pre>
|
||||
<p>Consider your complete diagram of the paper roll locations. <em>How many rolls of paper can be accessed by a forklift?</em></p>
|
||||
</article>
|
||||
<p>To begin, <a href="4/input" target="_blank">get your puzzle input</a>.</p>
|
||||
<form method="post" action="4/answer"><input type="hidden" name="level" value="1"/><p>Answer: <input type="text" name="answer" autocomplete="off"/> <input type="submit" value="[Submit]"/></p></form>
|
||||
<p>You can also <span class="share">[Share<span class="share-content">on
|
||||
<a href="https://bsky.app/intent/compose?text=%22Printing+Department%22+%2D+Day+4+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F4" target="_blank">Bluesky</a>
|
||||
<a href="https://twitter.com/intent/tweet?text=%22Printing+Department%22+%2D+Day+4+%2D+Advent+of+Code+2025&url=https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F4&related=ericwastl&hashtags=AdventOfCode" target="_blank">Twitter</a>
|
||||
<a href="javascript:void(0);" onclick="var ms; try{ms=localStorage.getItem('mastodon.server')}finally{} if(typeof ms!=='string')ms=''; ms=prompt('Mastodon Server?',ms); if(typeof ms==='string' && ms.length){this.href='https://'+ms+'/share?text=%22Printing+Department%22+%2D+Day+4+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F4';try{localStorage.setItem('mastodon.server',ms);}finally{}}else{return false;}" target="_blank">Mastodon</a
|
||||
></span>]</span> this puzzle.</p>
|
||||
</main>
|
||||
|
||||
<!-- ga -->
|
||||
<script>
|
||||
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
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||||
ga('send', 'pageview');
|
||||
</script>
|
||||
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|
||||
</body>
|
||||
</html>
|
||||
1187
puzzle/2025/05/input
Normal file
1187
puzzle/2025/05/input
Normal file
File diff suppressed because it is too large
Load Diff
148
puzzle/2025/05/prompt.html
Normal file
148
puzzle/2025/05/prompt.html
Normal file
@ -0,0 +1,148 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en-us">
|
||||
<head>
|
||||
<meta charset="utf-8"/>
|
||||
<title>Day 5 - Advent of Code 2025</title>
|
||||
<link rel="stylesheet" type="text/css" href="/static/style.css?32"/>
|
||||
<link rel="stylesheet alternate" type="text/css" href="/static/highcontrast.css?2" title="High Contrast"/>
|
||||
<link rel="shortcut icon" href="/favicon.png"/>
|
||||
<script>window.addEventListener('click', function(e,s,r){if(e.target.nodeName==='CODE'&&e.detail===3){s=window.getSelection();s.removeAllRanges();r=document.createRange();r.selectNodeContents(e.target);s.addRange(r);}});</script>
|
||||
</head><!--
|
||||
|
||||
|
||||
|
||||
|
||||
Oh, hello! Funny seeing you here.
|
||||
|
||||
I appreciate your enthusiasm, but you aren't going to find much down here.
|
||||
There certainly aren't clues to any of the puzzles. The best surprises don't
|
||||
even appear in the source until you unlock them for real.
|
||||
|
||||
Please be careful with automated requests; I'm not a massive company, and I can
|
||||
only take so much traffic. Please be considerate so that everyone gets to play.
|
||||
|
||||
If you're curious about how Advent of Code works, it's running on some custom
|
||||
Perl code. Other than a few integrations (auth, analytics, social media), I
|
||||
built the whole thing myself, including the design, animations, prose, and all
|
||||
of the puzzles.
|
||||
|
||||
The puzzles are most of the work; preparing a new calendar and a new set of
|
||||
puzzles takes all of my free time for months every year. A lot of effort went
|
||||
into building this thing - I hope you're enjoying playing it as much as I
|
||||
enjoyed making it for you!
|
||||
|
||||
If you'd like to hang out, I'm @was.tl on Bluesky and @ericwastl@hachyderm.io
|
||||
on Mastodon.
|
||||
|
||||
- Eric Wastl
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
-->
|
||||
<body>
|
||||
<header><div><h1 class="title-global"><a href="/">Advent of Code</a></h1><nav><ul><li><a href="/2025/about">[About]</a></li><li><a href="/2025/events">[Events]</a></li><li><a href="/2025/shop">[Shop]</a></li><li><a href="/2025/settings">[Settings]</a></li><li><a href="/2025/auth/logout">[Log Out]</a></li></ul></nav><div class="user">buhman</div></div><div><h1 class="title-event"> <span class="title-event-wrap">0xffff&</span><a href="/2025">2025</a><span class="title-event-wrap"></span></h1><nav><ul><li><a href="/2025">[Calendar]</a></li><li><a href="/2025/support">[AoC++]</a></li><li><a href="/2025/sponsors">[Sponsors]</a></li><li><a href="/2025/leaderboard/private">[Leaderboards]</a></li><li><a href="/2025/stats">[Stats]</a></li></ul></nav></div></header>
|
||||
|
||||
<div id="sidebar">
|
||||
<div id="sponsor"><div class="quiet">Our <a href="/2025/sponsors">sponsors</a> help make Advent of Code possible:</div><div class="sponsor"><a href="/2025/sponsors/redirect?url=https%3A%2F%2Fhoneycomb%2Eio%2F" target="_blank" onclick="if(ga)ga('send','event','sponsor','sidebar',this.href);" rel="noopener">Honeycomb</a> - The observability platform that helps teams solve problems they couldn't before, with unified telemetry and fast, powerful querying.</div></div>
|
||||
</div><!--/sidebar-->
|
||||
|
||||
<main>
|
||||
<article class="day-desc"><h2>--- Day 5: Cafeteria ---</h2><p>As the forklifts break through the wall, the Elves are delighted to discover that there was a cafeteria on the other side after all.</p>
|
||||
<p>You can hear a commotion coming from the kitchen. "At this rate, we won't have any time left to put the wreaths up in the dining hall!" Resolute in your quest, you investigate.</p>
|
||||
<p>"If only we hadn't switched to the new inventory management system right before Christmas!" another Elf exclaims. You ask what's going on.</p>
|
||||
<p>The Elves in the kitchen explain the situation: because of their complicated new inventory management system, they can't figure out which of their ingredients are <em>fresh</em> and which are <span title="No, this puzzle does not take place on Gleba. Why do you ask?"><em>spoiled</em></span>. When you ask how it works, they give you a copy of their database (your puzzle input).</p>
|
||||
<p>The database operates on <em>ingredient IDs</em>. It consists of a list of <em>fresh ingredient ID ranges</em>, a blank line, and a list of <em>available ingredient IDs</em>. For example:</p>
|
||||
<pre><code>3-5
|
||||
10-14
|
||||
16-20
|
||||
12-18
|
||||
|
||||
1
|
||||
5
|
||||
8
|
||||
11
|
||||
17
|
||||
32
|
||||
</code></pre>
|
||||
<p>The fresh ID ranges are <em>inclusive</em>: the range <code>3-5</code> means that ingredient IDs <code>3</code>, <code>4</code>, and <code>5</code> are all <em>fresh</em>. The ranges can also <em>overlap</em>; an ingredient ID is fresh if it is in <em>any</em> range.</p>
|
||||
<p>The Elves are trying to determine which of the <em>available ingredient IDs</em> are <em>fresh</em>. In this example, this is done as follows:</p>
|
||||
<ul>
|
||||
<li>Ingredient ID <code>1</code> is spoiled because it does not fall into any range.</li>
|
||||
<li>Ingredient ID <code>5</code> is <em>fresh</em> because it falls into range <code>3-5</code>.</li>
|
||||
<li>Ingredient ID <code>8</code> is spoiled.</li>
|
||||
<li>Ingredient ID <code>11</code> is <em>fresh</em> because it falls into range <code>10-14</code>.</li>
|
||||
<li>Ingredient ID <code>17</code> is <em>fresh</em> because it falls into range <code>16-20</code> as well as range <code>12-18</code>.</li>
|
||||
<li>Ingredient ID <code>32</code> is spoiled.</li>
|
||||
</ul>
|
||||
<p>So, in this example, <em><code>3</code></em> of the available ingredient IDs are fresh.</p>
|
||||
<p>Process the database file from the new inventory management system. <em>How many of the available ingredient IDs are fresh?</em></p>
|
||||
</article>
|
||||
<p>To begin, <a href="5/input" target="_blank">get your puzzle input</a>.</p>
|
||||
<form method="post" action="5/answer"><input type="hidden" name="level" value="1"/><p>Answer: <input type="text" name="answer" autocomplete="off"/> <input type="submit" value="[Submit]"/></p></form>
|
||||
<p>You can also <span class="share">[Share<span class="share-content">on
|
||||
<a href="https://bsky.app/intent/compose?text=%22Cafeteria%22+%2D+Day+5+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F5" target="_blank">Bluesky</a>
|
||||
<a href="https://twitter.com/intent/tweet?text=%22Cafeteria%22+%2D+Day+5+%2D+Advent+of+Code+2025&url=https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F5&related=ericwastl&hashtags=AdventOfCode" target="_blank">Twitter</a>
|
||||
<a href="javascript:void(0);" onclick="var ms; try{ms=localStorage.getItem('mastodon.server')}finally{} if(typeof ms!=='string')ms=''; ms=prompt('Mastodon Server?',ms); if(typeof ms==='string' && ms.length){this.href='https://'+ms+'/share?text=%22Cafeteria%22+%2D+Day+5+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F5';try{localStorage.setItem('mastodon.server',ms);}finally{}}else{return false;}" target="_blank">Mastodon</a
|
||||
></span>]</span> this puzzle.</p>
|
||||
</main>
|
||||
|
||||
<!-- ga -->
|
||||
<script>
|
||||
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|
||||
5
puzzle/2025/06/input
Normal file
5
puzzle/2025/06/input
Normal file
@ -0,0 +1,5 @@
|
||||
7 49 28 99 6 92 61 13 6 792 94 596 3976 8 9 8 81 77 2 26 569 449 2 91 57 6 4241 6 416 627 454 36 12 27 539 33 4 1 373 33 53 19 8 28 4 78 9 173 35 458 567 844 6343 277 3953 614 28 2 425 2911 445 4414 95 53 993 94 48 3 619 9 661 991 477 35 1421 337 96 1 95 66 3 32 86 9978 7891 93 7969 43 6 546 58 6 8 8 69 97 43 462 7 513 1 695 812 15 368 1 55 56 9946 3 3134 78 4 63 7 7 29 1968 47 44 919 63 29 71 722 454 86 2 3172 2195 622 456 4 615 73 94 962 3672 3 25 224 968 79 88 57 96 8 345 47 64 29 85 875 9 84 49 56 6637 7 2 33 37 866 6 4 7 293 9735 3 817 641 3 85 4 8225 372 3 4455 74 52 17 11 286 82 6638 2894 486 4 25 7 82 7237 21 725 81 38 15 793 2345 849 2342 25 125 18 67 1 7 7 752 9253 79 8445 31 6 57 6 88 5 19 83 83 4 5 56 84 31 949 23 118 15 63 2424 453 3574 53 71 5 28 611 243 44 75 2281 19 7 7136 3926 381 467 72 7595 682 48 95 218 192 58 539 26 9 2 76 78 12 61 18 62 3664 5 866 48 37 27 669 13 434 55 5193 486 2128 77 74 92 623 63 55 82 62 95 12 852 31 73 85 9 7 84 44 88 7 151 433 631 137 33 6 14 49 719 9 665 75 8 8 18 968 511 68 769 26 46 873 837 92 51 81 387 619 49 47 73 794 562 32 15 8939 786 12 12 93 652 84 9 286 93 138 49 79 28 63 465 886 93 17 95 34 3 684 6 54 763 4 341 92 94 3 4 6 8 245 221 26 323 21 83 2 794 236 619 36 526 86 588 9582 416 73 4 8 48 92 1372 313 48 93 82 66 589 2 594 89 52 315 79 25 9 36 332 82 1968 1 19 1 2229 38 3 1 625 89 99 4471 81 74 36 6 5 5928 4 351 24 6 559 74 384 5 15 75 9645 485 98 39 4 97 91 3 9 6383 62 36 479 5 953 45 89 735 752 99 9 5891 146 86 8 653 6563 766 161 872 7 82 86 517 4 152 19 28 61 47 59 828 55 6341 1237 28 988 45 667 846 11 79 4 98 33 425 14 25 7726 5639 77 8 83 636 766 26 574 6169 33 775 395 5 3 569 9 68 89 1 43 2 477 859 7 143 489 299 257 137 27 8629 1 974 2 64 9 92 767 1 852 96 427 7616 88 625 68 1841 22 851 2 839 15 9 7885 6 343 32 762 37 6634 78 4 1 934 367 8359 694 91 3 2 2 593 85 23 682 36 7 84 882 379 86 6982 447 57 835 2 35 2985 9 43 1 8 3 431 774 36 87 6 23 918 44 899 56 2 31 176 64 4943 83 2 89 2 5 922 79 28 761 9979 727 22 71 87 961 627 42 7 83 23 8 73 988 437 25 4381 48 1 69 4 297 85 23 91 886 43 48 393 566 83 21 95 92 1 6 6142 5 486 11 64 742 171 21 95 31 27 32 36 57 32 75 8 25 69 4399 8 36 11 133 1 433 57 27 7 689 737 97 45 57 417 88 98 6855 39 789 53 339 58 4 8554 2 5585 1 195 27 11 44 243 61 5 26 955 92 5 95 81 3697 69 92 7147 8 5629 1 1 94 42 34 7 3 35 3 57 1 226 46 8 8451 826 7 12 2 698 281 696 312 85 64 9 21 91 872 3244 35 14 4765 869 4 232 8242 98 443 38 53 8 744 54 67 4953 9 728 3 6813 17 56 314 13 19 136 921 6123 4527 39 816 186 6 122 95 6 838 238 749 5 22 8 62 16 11 395 6 2 9 19 32 5 26 941 11 732 292 142 8728 74 894 896 73 77 52 796 3 16 21 8225 6547 3 62 57 69 3995 95 62 4 975 53 34 36 38 69 2 7 42 68 4 2 18 3 27 8 8675 492 6 459 88 51 88 5618 1 8 7 823 42 8 7222 911 26 62 6 13 26 2 7849 2 36 911 286 22 8 52 9 427 46 59 74 93 17 89 797 9 66 99 52 1 23 4 28 57 99 1393 872 965 253 47 244 31 8576 71 475 712 65 67 6 639 281 99 5 56 282 84 293 122 48 4 326 1 332 452 4 76 6 12 97 99 99 41 275 7529 76 13 23 95 35 931 5 624 5425 12 121 26 55 4 592 482 9 295 363 34 54 4 4919 52 39 5 6 4 72 4951 9346 5934 73 615 554 82 87 8247 52 261 28 14 862 15 4 64 462 5 61 55 1 59 2678 5 414 593 3347 4 2 52 2 29 148 7949 41 368 148 2 38 19 829 399
|
||||
495 11 34 53 175 74 95 36 8 643 9 658 391 1 276 33 75 69 31 28 595 338 15 54 77 35 1927 74 131 281 382 67 83 85 725 795 49 97 143 94 49 75 8 36 163 28 1 322 956 281 377 76 2194 713 8932 539 46 1 742 3593 722 6255 94 31 271 989 67 3 457 2 876 352 837 41 6941 455 52 8 99 69 94 16 16 4154 6861 65 1588 2 4 77 57 636 161 82 15 91 25 746 2 519 54 243 811 63 867 9 39 14 7265 1 5287 64 4 67 3 6 99 289 13 15 43 26 695 61 148 755 5251 4 2334 4614 389 552 5 783 395 85 848 8973 3 31 433 969 15 6678 61 38 7 866 68 97 786 26 139 76 115 92 86 8885 24 12 44 35 893 7258 44 41 393 8241 87 122 768 28 28 896 5722 516 56 788 78 48 98 92 498 2878 468 1871 5165 78 42 77 97 8797 29 619 24 85 662 749 267 273 9941 67 578 87 1626 753 99 54 764 769 31 3798 13 72 15 8 384 238 98 871 1 99 185 221 27 52 878 64 758 23 276 922 265 6147 51 69 1 52 851 651 82 71 4258 312 8 3465 2469 223 416 515 4825 854 48 69 676 398 819 783 659 3 91 68 43 15 85 4 12 8244 3 724 559 95 29 351 68 846 44 6326 68 7539 346 22 62 525 77 44 549 95 44 22 463 71 54 888 156 8 82 27 76 7 283 231 367 135 763 19 43 47 8521 1 442 16 8 69 25 579 211 59 748 76 52 953 72 29 19 86 476 626 77 73 83 877 594 12 72 6839 898 13 957 36 819 791 35 3787 722 31 99 73 2 46 468 1541 43 995 37 54 112 949 82 81 579 9 168 732 33 69 63 62 26 482 411 47 495 96 69 7 264 7991 461 97 522 15 815 5169 355 87 8 72 75 42 7584 162 89 8866 21 44 577 8 548 21 15 973 74 123 7 551 593 52 8841 323 99 7 2291 91 13 91 658 21 24 7754 793 71 39 74 6 3587 87 228 24 85 363 15 231 58 58 82 6453 169 51 44 81 48 11 6 388 3448 521 834 453 49 469 391 28 224 665 73 75 7451 893 557 3 667 8169 94 785 197 4 78 787 444 83 898 8 16 49 18 18 554 659 4485 4717 45 7 593 241 656 944 929 59 88 74 924 31 52 2545 885 63 43 619 868 517 74 462 883 824 276 129 556 881 186 23 77 635 35 88 6 762 219 4 464 427 596 988 6658 94 1382 3 615 418 84 1 67 185 84 484 76 681 2466 28 945 91 886 48 97 6 72 57 74 316 61 166 32 483 14 3617 553 49 23 2693 74 9836 118 559 3 8 93 215 64 48 977 97 11 89 433 416 16 8819 874 42 275 62 56 6588 8 94 1 82 27 361 712 4 73 477 71 837 982 156 15 3 55 726 82 3554 246 381 57 5 1 748 92 84 313 9368 812 8126 71 24 715 739 17 55 51 97 81 39 439 669 36 6977 964 54 26 22 134 23 28 73 128 53 66 857 784 86 935 588 425 64 88 9451 5 434 67 83 11 357 65 64 39 83 13 663 88 15 58 266 31 94 8455 399 969 98 224 763 529 84 84 172 47 228 13 14 64 114 15 58 964 71 173 28 553 2396 4 9519 636 6864 158 2675 17 3 21 192 43 67 57 11 7 8 22 24 3386 72 26 8153 32 3538 1 95 16 44 38 233 46 19 2 99 4132 166 9717 88 8729 851 86 29 2 586 188 916 399 77 12 43 67 45 463 5166 43 26 653 553 7 1781 5898 235 711 19 28 9 741 61 79 5391 4 827 9 6388 32 49 561 94 78 346 817 537 1465 98 392 878 748 83 562 61 725 436 138 8 94 3 56 56 85 6422 23 69 68 39 96 44 29 533 66 923 459 927 937 82 954 756 35 48 64 294 8 99 52 212 5939 57 76 91 167 2982 83 527 66 441 11 53 22 34 2264 88 62 28 52 381 85 75 5 74 28 4755 871 57 723 25 56 49 2279 8 5 7 135 62 13 7364 67 777 6 5 28 64 3 3772 112 98 673 176 71 62 735 635 447 466 74 21 78 123 88 183 5 59 91 123 2 34 6 542 74 31 6497 97 72 144 64 7645 64 599 32 798 914 553 55 4 249 897 498 76 23 55 75 22 646 44 87 428 74 361 927 46 13 8 83 8 36 499 89 49 5291 34 65 387 35 217 886 62 946 2821 81 7249 89 36 75 936 435 1 881 551 64 93 6 2171 34 841 99 72 5 75 5135 6489 3885 35 679 63 32 16 8615 98 186 87 69 531 34 373 493 968 85 81 45 8166 12 8379 92 373 121 2429 578 55 55 827 82 239 6682 11 898 78 28 3176 34 415 986
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|
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140
puzzle/2025/06/prompt.html
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|
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<!DOCTYPE html>
|
||||
<html lang="en-us">
|
||||
<head>
|
||||
<meta charset="utf-8"/>
|
||||
<title>Day 6 - Advent of Code 2025</title>
|
||||
<link rel="stylesheet" type="text/css" href="/static/style.css?32"/>
|
||||
<link rel="stylesheet alternate" type="text/css" href="/static/highcontrast.css?2" title="High Contrast"/>
|
||||
<link rel="shortcut icon" href="/favicon.png"/>
|
||||
<script>window.addEventListener('click', function(e,s,r){if(e.target.nodeName==='CODE'&&e.detail===3){s=window.getSelection();s.removeAllRanges();r=document.createRange();r.selectNodeContents(e.target);s.addRange(r);}});</script>
|
||||
</head><!--
|
||||
|
||||
|
||||
|
||||
|
||||
Oh, hello! Funny seeing you here.
|
||||
|
||||
I appreciate your enthusiasm, but you aren't going to find much down here.
|
||||
There certainly aren't clues to any of the puzzles. The best surprises don't
|
||||
even appear in the source until you unlock them for real.
|
||||
|
||||
Please be careful with automated requests; I'm not a massive company, and I can
|
||||
only take so much traffic. Please be considerate so that everyone gets to play.
|
||||
|
||||
If you're curious about how Advent of Code works, it's running on some custom
|
||||
Perl code. Other than a few integrations (auth, analytics, social media), I
|
||||
built the whole thing myself, including the design, animations, prose, and all
|
||||
of the puzzles.
|
||||
|
||||
The puzzles are most of the work; preparing a new calendar and a new set of
|
||||
puzzles takes all of my free time for months every year. A lot of effort went
|
||||
into building this thing - I hope you're enjoying playing it as much as I
|
||||
enjoyed making it for you!
|
||||
|
||||
If you'd like to hang out, I'm @was.tl on Bluesky and @ericwastl@hachyderm.io
|
||||
on Mastodon.
|
||||
|
||||
- Eric Wastl
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||||
-->
|
||||
<body>
|
||||
<header><div><h1 class="title-global"><a href="/">Advent of Code</a></h1><nav><ul><li><a href="/2025/about">[About]</a></li><li><a href="/2025/events">[Events]</a></li><li><a href="/2025/shop">[Shop]</a></li><li><a href="/2025/settings">[Settings]</a></li><li><a href="/2025/auth/logout">[Log Out]</a></li></ul></nav><div class="user">buhman</div></div><div><h1 class="title-event"> <span class="title-event-wrap">0xffff&</span><a href="/2025">2025</a><span class="title-event-wrap"></span></h1><nav><ul><li><a href="/2025">[Calendar]</a></li><li><a href="/2025/support">[AoC++]</a></li><li><a href="/2025/sponsors">[Sponsors]</a></li><li><a href="/2025/leaderboard/private">[Leaderboards]</a></li><li><a href="/2025/stats">[Stats]</a></li></ul></nav></div></header>
|
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<div id="sidebar">
|
||||
<div id="sponsor"><div class="quiet">Our <a href="/2025/sponsors">sponsors</a> help make Advent of Code possible:</div><div class="sponsor"><a href="/2025/sponsors/redirect?url=https%3A%2F%2Fcareers%2Eformlabs%2Ecom%2F%3Futm%5Fsource%3Dmedia%26utm%5Fmedium%3Dreferral%26utm%5Fcampaign%3Dadvent%2Dof%2Dcode%2D2025%2D12%2D01%2Dglobal" target="_blank" onclick="if(ga)ga('send','event','sponsor','sidebar',this.href);" rel="noopener">Formlabs</a> - CADing a gift, printing it twice, best-in-class printers make parts come out nice! Ditch the elves, build your next project with Formlabs!</div></div>
|
||||
</div><!--/sidebar-->
|
||||
|
||||
<main>
|
||||
<article class="day-desc"><h2>--- Day 6: Trash Compactor ---</h2><p>After helping the Elves in the kitchen, you were taking a break and helping them re-enact a movie scene when you over-enthusiastically jumped into the garbage chute!</p>
|
||||
<p>A brief fall later, you find yourself in a <span title="To your surprise, the smell isn't that bad.">garbage smasher</span>. Unfortunately, the door's been magnetically sealed.</p>
|
||||
<p>As you try to find a way out, you are approached by a family of cephalopods! They're pretty sure they can get the door open, but it will take some time. While you wait, they're curious if you can help the youngest cephalopod with her <a href="/2021/day/18">math homework</a>.</p>
|
||||
<p>Cephalopod math doesn't look that different from normal math. The math worksheet (your puzzle input) consists of a list of <em>problems</em>; each problem has a group of numbers that need to be either <em>added</em> (<code>+</code>) or <em>multiplied</em> (<code>*</code>) together.</p>
|
||||
<p>However, the problems are arranged a little strangely; they seem to be presented next to each other in a very long horizontal list. For example:</p>
|
||||
<pre><code>123 328 51 64
|
||||
45 64 387 23
|
||||
6 98 215 314
|
||||
* + * +
|
||||
</code></pre>
|
||||
<p>Each problem's numbers are arranged vertically; at the bottom of the problem is the symbol for the operation that needs to be performed. Problems are separated by a full column of only spaces. The left/right alignment of numbers within each problem can be ignored.</p>
|
||||
<p>So, this worksheet contains four problems:</p>
|
||||
<ul>
|
||||
<li><code>123</code> * <code>45</code> * <code>6</code> = <code><em>33210</em></code></li>
|
||||
<li><code>328</code> + <code>64</code> + <code>98</code> = <code><em>490</em></code></li>
|
||||
<li><code>51</code> * <code>387</code> * <code>215</code> = <code><em>4243455</em></code></li>
|
||||
<li><code>64</code> + <code>23</code> + <code>314</code> = <code><em>401</em></code></li>
|
||||
</ul>
|
||||
<p>To check their work, cephalopod students are given the <em>grand total</em> of adding together all of the answers to the individual problems. In this worksheet, the grand total is <code>33210</code> + <code>490</code> + <code>4243455</code> + <code>401</code> = <code><em>4277556</em></code>.</p>
|
||||
<p>Of course, the actual worksheet is <em>much</em> wider. You'll need to make sure to unroll it completely so that you can read the problems clearly.</p>
|
||||
<p>Solve the problems on the math worksheet. <em>What is the grand total found by adding together all of the answers to the individual problems?</em></p>
|
||||
</article>
|
||||
<p>To begin, <a href="6/input" target="_blank">get your puzzle input</a>.</p>
|
||||
<form method="post" action="6/answer"><input type="hidden" name="level" value="1"/><p>Answer: <input type="text" name="answer" autocomplete="off"/> <input type="submit" value="[Submit]"/></p></form>
|
||||
<p>You can also <span class="share">[Share<span class="share-content">on
|
||||
<a href="https://bsky.app/intent/compose?text=%22Trash+Compactor%22+%2D+Day+6+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F6" target="_blank">Bluesky</a>
|
||||
<a href="https://twitter.com/intent/tweet?text=%22Trash+Compactor%22+%2D+Day+6+%2D+Advent+of+Code+2025&url=https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F6&related=ericwastl&hashtags=AdventOfCode" target="_blank">Twitter</a>
|
||||
<a href="javascript:void(0);" onclick="var ms; try{ms=localStorage.getItem('mastodon.server')}finally{} if(typeof ms!=='string')ms=''; ms=prompt('Mastodon Server?',ms); if(typeof ms==='string' && ms.length){this.href='https://'+ms+'/share?text=%22Trash+Compactor%22+%2D+Day+6+%2D+Advent+of+Code+2025+%23AdventOfCode+https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F6';try{localStorage.setItem('mastodon.server',ms);}finally{}}else{return false;}" target="_blank">Mastodon</a
|
||||
></span>]</span> this puzzle.</p>
|
||||
</main>
|
||||
|
||||
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|
||||
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
|
||||
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
|
||||
ga('create', 'UA-69522494-1', 'auto');
|
||||
ga('set', 'anonymizeIp', true);
|
||||
ga('send', 'pageview');
|
||||
</script>
|
||||
<!-- /ga -->
|
||||
</body>
|
||||
</html>
|
||||
142
puzzle/2025/07/input
Normal file
142
puzzle/2025/07/input
Normal file
@ -0,0 +1,142 @@
|
||||
......................................................................S......................................................................
|
||||
.............................................................................................................................................
|
||||
......................................................................^......................................................................
|
||||
.............................................................................................................................................
|
||||
.....................................................................^.^.....................................................................
|
||||
.............................................................................................................................................
|
||||
....................................................................^.^.^....................................................................
|
||||
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|
||||
...................................................................^.^.^.^...................................................................
|
||||
.............................................................................................................................................
|
||||
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|
||||
.............................................................................................................................................
|
||||
.................................................................^.^...^.^.^.................................................................
|
||||
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|
||||
................................................................^.....^...^.^................................................................
|
||||
.............................................................................................................................................
|
||||
...............................................................^.^.^.^...^...^...............................................................
|
||||
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|
||||
..............................................................^.^...^.^...^.^.^..............................................................
|
||||
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|
||||
.............................................................^...^...^.....^...^.............................................................
|
||||
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|
||||
............................................................^.....^.^.^...^.....^............................................................
|
||||
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|
||||
...........................................................^.^...^.^...^...^.....^...........................................................
|
||||
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|
||||
..........................................................^.^.^.^...^.^.^...^.....^..........................................................
|
||||
.............................................................................................................................................
|
||||
.........................................................^.^.^...^...^.^.^.^.^.....^.........................................................
|
||||
.............................................................................................................................................
|
||||
........................................................^.^...^.^.^.^.....^...^.^.^.^........................................................
|
||||
.............................................................................................................................................
|
||||
.......................................................^.^...^.^...^...^.^.^.....^.^.^.......................................................
|
||||
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|
||||
......................................................^...^.^.^.^.^.^.^...^.^.^.^.^.^.^......................................................
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
...................................................^...^.^.^.....^.^...........^.......^.^...................................................
|
||||
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|
||||
..................................................^...^.^...^.^.^...^.^.^.^.^...^.^.......^..................................................
|
||||
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|
||||
.................................................^...^.....^.^.^.^.^...^...^...^.^.^.^.....^.................................................
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
...........................................^.^.....^.....^.^.^.^.^.^.^.^.^.^.^.....^.^.^.^.^...^.^...........................................
|
||||
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|
||||
..........................................^.^...^.^.^.....^.^.^.......^...^.^.....^.^.^...^.^.^...^..........................................
|
||||
.............................................................................................................................................
|
||||
.........................................^.^.^.^.^...^.^.^.^.^.^...^...^.^.^...^.^.^.^.......^.^.^.^.........................................
|
||||
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|
||||
........................................^.^.....^.^.^.^.....^.^.^.^...^.^.^.^.......^.....^.^.^.^.^.^........................................
|
||||
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|
||||
.......................................^.^.^.^...^...^...^.^.^.^.^.........^.^.^.^.^...^.^.^.^...^.^.^.......................................
|
||||
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|
||||
......................................^.^.^.^.^.^.^.^.^...^...^.^.^.^.^...^.^.^...^...^.^.........^.^.^......................................
|
||||
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|
||||
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|
||||
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|
||||
....................................^.^.^.^.^.^.^...^...^.........^.^...^.^.^...^.^.^...^.....^.^.^.^...^....................................
|
||||
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|
||||
...................................^.^...^...^...^.^.^.......^.^.^...^.^.^.^.....^.^.^.^.^.^.^.^.^.^.^.^.^...................................
|
||||
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|
||||
..................................^...^.^.^.^.....^.^...^.......^.^.^...^.^.^.^.^.^.^...^.^.^...^...^.^.^.^..................................
|
||||
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|
||||
.................................^.^.^...^.^.^...^.^.^.^.^.^...^.^.^.^.^...^...^...^.^...^.^.^.^.^.^.^.^...^.................................
|
||||
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|
||||
................................^.^...^...^.^.^.^.^.......^.^...^...^...^...^.....^.^.^.^.^.^...^.^.^.....^.^................................
|
||||
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|
||||
...............................^.^.^.^.^.^.^.^.^.^.^.^.^.^...^.^.^...^...^...^.^.^.^.^.^...^.^.^.^...^.^...^.^...............................
|
||||
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|
||||
..............................^.^.....^.^.......^.^.^...^.^.^.^.^.^.^.^.........^.^.^.^.^.^.^.......^...^.^.^.^..............................
|
||||
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|
||||
.............................^.^.............^.^.^.^.^...^...^.....^.^.^.^...^.^.^.^.....^.^.^.^.^...^.^.^.....^.............................
|
||||
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|
||||
............................^.^.^...^.^.^...^.^.^.^.^.^.^.^.^.^...^...^.....^...^.^...^...^.^...^.^.^.^.^...^...^............................
|
||||
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|
||||
...........................^.....^.^...^.^.^.^.^.^...^...^.^.^...^...........^...^.^.^...^.^...^.^.^.^.^.^.^.^.^.^...........................
|
||||
.............................................................................................................................................
|
||||
..........................^...^...^...^.^...^.^.^.....^.....^...^.^.^.....^.^...^...^.^.^.^.^.^.^...^.^.^...^.^.^.^..........................
|
||||
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|
||||
.........................^.^...^.^.....^...^.^.^.^.....^.^.^.....^.^.^.^.^.^.....^.^.^...^.^.....^.^.^.^.^...^.....^.........................
|
||||
.............................................................................................................................................
|
||||
........................^.^...^.^.^...^...^.^.....^...^.^...^.^.....^.^...^.^.^.^.^...^...^.^.^...^...^.^...^.^.^.^.^........................
|
||||
.............................................................................................................................................
|
||||
.......................^.^.^.^.^...^.^.^.^.^.^.^.^.^.^...^.^.^...^...^.....^...^.^.^.^.^.....^.^.^.^.^.^.^.^.....^.^.^.......................
|
||||
.............................................................................................................................................
|
||||
......................^.^...^.^.^.^...^.^.^.^.^.^...^.^.^.....^.^.^.^...^.^...^.^.^.........^.^.....^.^.^.^.^.^.....^.^......................
|
||||
.............................................................................................................................................
|
||||
.....................^...^...^...^.^.^...^.^.^.^.^.^.^...^.^.^.^.^.^.^.^.^.^.^...^.^.....^.^.^.^...^.....^.^.....^...^.^.....................
|
||||
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|
||||
....................^.^.^.^.^.^...^.^.^.^.^...^.^...^.^.^.....^...^.^.^...^.^.^.^...^.^.^.^.^.^.^...^...^.....^.^...^.^.^....................
|
||||
.............................................................................................................................................
|
||||
...................^.^...^...^...^.^.^...^...^.........^.....^.^.....^...^.^.^.^.^.^.^.^.^.^.........^.^.^.^...^.^.^...^.^...................
|
||||
.............................................................................................................................................
|
||||
..................^.^.....^.......^...^.^.^...^...^.^...^.^.^.^.........^.^.......^.^.^.^.^.^...^.^.....^.^...^.^...^...^.^..................
|
||||
.............................................................................................................................................
|
||||
.................^.^...^.^.^.^...^.^.^.....^...^.^.^.^.^.......^...^...^.^.....^.^.^.^.^.^...^.^.....^.....^.^.^.......^.^.^.................
|
||||
.............................................................................................................................................
|
||||
................^.^.^.......^.^.^.^.^.^.^.^.^.^.^.....^.^.....^...^.^.^.^.^.^.^.^.^.^...^.....^.^.....^.^.^.......^...^.^.^.^................
|
||||
.............................................................................................................................................
|
||||
...............^.....^.^.^.^.^.........^.^...^.^.^.....^.^...^.^.^...^.^.....^.^.^.^.^.^.....^...^.^...^.^...^.^.^...^.^.^...^...............
|
||||
.............................................................................................................................................
|
||||
..............^.^.^.^.^.....^.....^.^.^.^.^.^...^.^.^.^...^.^.^.^.^...^.^.^.^.^.^.....^...^.^.^.............^.^...^.^.^.^...^.^..............
|
||||
.............................................................................................................................................
|
||||
.............^...^...^.^.^.^.^.^...^.^.^...^.^.^...^...^.^.....^...^.^.^.^...^...^.^.^.^.^.^.^...^.^...^.^...^.^.^.^...^.....^.^.............
|
||||
.............................................................................................................................................
|
||||
............^.^.......^.^...........^.^.^.^.^...^.....^.^.^.^.^.^...^.^...^.^.^.^.^...^.^.^.^.^.....^.^.^.^...^.^.^.^.^.^...^.^.^............
|
||||
.............................................................................................................................................
|
||||
...........^.^...^.^...^.^.....^.^.^.^.^.^.^.....^.^.^.^.^.^.^...^...^...^.^.^.^.^.^.^.^.^...^.^...^...^.....^.^.^.^.^...^.^.^.^.^...........
|
||||
.............................................................................................................................................
|
||||
..........^.^.^.^.^.....^.^.^...^...^.^.........^.^.^.^.^.^...^.^.^.^.......^...^...^.^.^.^...^...^.^.^.^.^.^.^.^...^...^.^...^...^..........
|
||||
.............................................................................................................................................
|
||||
.........^.^.^.^.^...^...^.^.^.^.^.^.^.^.^.^.^.^.^...^.^...^.^.^.^.^.^...^.^.^.....^.^...^...^.^.^.^.^.^...^.^.^.^.^.^...^.^...^.^.^.........
|
||||
.............................................................................................................................................
|
||||
........^.^.....^.^.......^.^.^.^.^...^.^.^.^...^...^...^.^.......^.^.^.....^...^.^.......^.^.^...^...^.^.^.^.....^.^.....^.^.^.^...^........
|
||||
.............................................................................................................................................
|
||||
.......^.^...^.^.^.......^.^.^.^...^...^.....^.^.....^...^...^.^...^.^.^.^.^...^.^...^.^.^.......^...^.^.^.^.^.^.^...........^.^.^.^.^.......
|
||||
.............................................................................................................................................
|
||||
......^.^.^.^.^.^.^.^.^.^.^.^.^.^.^...^.^.^.^.^.^...^.^.^.^...^.^...^.^.^.^.^.^.^.^.....^...^.^.^.^.....^.....^.....^...^.^.....^.^.^.^......
|
||||
.............................................................................................................................................
|
||||
.....^...^.^.^...^...^.^...^.....^.^...^.^.....^.^.^.^.^.^...^...^...^...^.^.^.^...^.^.^.^.^.^.^.^...^...^.^.....^.^.......^.^.^...^...^.....
|
||||
.............................................................................................................................................
|
||||
....^.....^.^.^.........^.^...^...........^.^.^.^.^.^.^.^...^.^.^.^...^.......^.....^.^...^.^.....^.^...^.^.......^.^.^.^.....^.^.^.^.^.^....
|
||||
.............................................................................................................................................
|
||||
...^.^.^...^.^...^.^.^.....^.^...^.^.^.....^...^...^.....^.....^.^...^.^.....^...^.^.^.^...^.^.^.....^.....^.^.^.^.^.^...^.^.^.^.^...^.^.^...
|
||||
.............................................................................................................................................
|
||||
..^...^.^.....^.^.^.^.^.^.^.^...^...^.^.^.^.^.^.^.^.^.^.^...^.......^.^.^.^...^.......^.^.^.^.^.^.^...^.^.^.^.^.^.^.......^...^...^...^...^..
|
||||
.............................................................................................................................................
|
||||
.^.^.^.^.^...^.^.......^.^.^.^.^.^...^...^...^.^.^.......^.^.........^.^.^.^.^.....^.......^.^.^.^...^.^.^...^.^.^.....^...^.^.^...^.^...^.^.
|
||||
.............................................................................................................................................
|
||||
234
puzzle/2025/07/prompt.html
Normal file
234
puzzle/2025/07/prompt.html
Normal file
@ -0,0 +1,234 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en-us">
|
||||
<head>
|
||||
<meta charset="utf-8"/>
|
||||
<title>Day 7 - Advent of Code 2025</title>
|
||||
<link rel="stylesheet" type="text/css" href="/static/style.css?32"/>
|
||||
<link rel="stylesheet alternate" type="text/css" href="/static/highcontrast.css?2" title="High Contrast"/>
|
||||
<link rel="shortcut icon" href="/favicon.png"/>
|
||||
<script>window.addEventListener('click', function(e,s,r){if(e.target.nodeName==='CODE'&&e.detail===3){s=window.getSelection();s.removeAllRanges();r=document.createRange();r.selectNodeContents(e.target);s.addRange(r);}});</script>
|
||||
</head><!--
|
||||
|
||||
|
||||
|
||||
|
||||
Oh, hello! Funny seeing you here.
|
||||
|
||||
I appreciate your enthusiasm, but you aren't going to find much down here.
|
||||
There certainly aren't clues to any of the puzzles. The best surprises don't
|
||||
even appear in the source until you unlock them for real.
|
||||
|
||||
Please be careful with automated requests; I'm not a massive company, and I can
|
||||
only take so much traffic. Please be considerate so that everyone gets to play.
|
||||
|
||||
If you're curious about how Advent of Code works, it's running on some custom
|
||||
Perl code. Other than a few integrations (auth, analytics, social media), I
|
||||
built the whole thing myself, including the design, animations, prose, and all
|
||||
of the puzzles.
|
||||
|
||||
The puzzles are most of the work; preparing a new calendar and a new set of
|
||||
puzzles takes all of my free time for months every year. A lot of effort went
|
||||
into building this thing - I hope you're enjoying playing it as much as I
|
||||
enjoyed making it for you!
|
||||
|
||||
If you'd like to hang out, I'm @was.tl on Bluesky and @ericwastl@hachyderm.io
|
||||
on Mastodon.
|
||||
|
||||
- Eric Wastl
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
-->
|
||||
<body>
|
||||
<header><div><h1 class="title-global"><a href="/">Advent of Code</a></h1><nav><ul><li><a href="/2025/about">[About]</a></li><li><a href="/2025/events">[Events]</a></li><li><a href="/2025/shop">[Shop]</a></li><li><a href="/2025/settings">[Settings]</a></li><li><a href="/2025/auth/logout">[Log Out]</a></li></ul></nav><div class="user">buhman</div></div><div><h1 class="title-event"> <span class="title-event-wrap"><y></span><a href="/2025">2025</a><span class="title-event-wrap"></y></span></h1><nav><ul><li><a href="/2025">[Calendar]</a></li><li><a href="/2025/support">[AoC++]</a></li><li><a href="/2025/sponsors">[Sponsors]</a></li><li><a href="/2025/leaderboard/private">[Leaderboards]</a></li><li><a href="/2025/stats">[Stats]</a></li></ul></nav></div></header>
|
||||
|
||||
<div id="sidebar">
|
||||
<div id="sponsor"><div class="quiet">Our <a href="/2025/sponsors">sponsors</a> help make Advent of Code possible:</div><div class="sponsor"><a href="/2025/sponsors/redirect?url=https%3A%2F%2Fwww%2Eboot%2Edev%3Fpromo%3DADVENTOFCODE" target="_blank" onclick="if(ga)ga('send','event','sponsor','sidebar',this.href);" rel="noopener">Boot.dev</a> - Become more than a vibe-coder! Master backend development from start to finish on Boot.dev: the most addicting way to learn to code.</div></div>
|
||||
</div><!--/sidebar-->
|
||||
|
||||
<main>
|
||||
<article class="day-desc"><h2>--- Day 7: Laboratories ---</h2><p>You thank the cephalopods for the help and exit the trash compactor, finding yourself in the <a href="/2024/day/6">familiar</a> <a href="/2018/day/4">halls</a> of a North Pole research wing.</p>
|
||||
<p>Based on the large sign that says "teleporter hub", they seem to be researching <em>teleportation</em>; you can't help but try it for yourself and step onto the large yellow teleporter pad.</p>
|
||||
<p>Suddenly, you find yourself in an unfamiliar room! The room has no doors; the only way out is the teleporter. Unfortunately, the teleporter seems to be leaking <a href="https://en.wikipedia.org/wiki/Magic_smoke" target="_blank">magic smoke</a>.</p>
|
||||
<p>Since this is a teleporter lab, there are lots of spare parts, manuals, and diagnostic equipment lying around. After connecting one of the diagnostic tools, it helpfully displays error code <code>0H-N0</code>, which apparently means that there's an issue with one of the <em>tachyon manifolds</em>.</p>
|
||||
<p>You quickly locate a diagram of the tachyon manifold (your puzzle input). A tachyon beam enters the manifold at the location marked <code>S</code>; tachyon beams always move <em>downward</em>. Tachyon beams pass freely through empty space (<code>.</code>). However, if a tachyon beam encounters a splitter (<code>^</code>), the beam is stopped; instead, a new tachyon beam continues from the immediate left and from the immediate right of the splitter.</p>
|
||||
<p>For example:</p>
|
||||
<pre><code>.......S.......
|
||||
...............
|
||||
.......^.......
|
||||
...............
|
||||
......^.^......
|
||||
...............
|
||||
.....^.^.^.....
|
||||
...............
|
||||
....^.^...^....
|
||||
...............
|
||||
...^.^...^.^...
|
||||
...............
|
||||
..^...^.....^..
|
||||
...............
|
||||
.^.^.^.^.^...^.
|
||||
...............
|
||||
</code></pre>
|
||||
<p>In this example, the incoming tachyon beam (<code>|</code>) extends downward from <code>S</code> until it reaches the first splitter:</p>
|
||||
<pre><code>.......S.......
|
||||
.......|.......
|
||||
.......^.......
|
||||
...............
|
||||
......^.^......
|
||||
...............
|
||||
.....^.^.^.....
|
||||
...............
|
||||
....^.^...^....
|
||||
...............
|
||||
...^.^...^.^...
|
||||
...............
|
||||
..^...^.....^..
|
||||
...............
|
||||
.^.^.^.^.^...^.
|
||||
...............
|
||||
</code></pre>
|
||||
<p>At that point, the original beam stops, and two new beams are emitted from the splitter:</p>
|
||||
<pre><code>.......S.......
|
||||
.......|.......
|
||||
......|^|......
|
||||
...............
|
||||
......^.^......
|
||||
...............
|
||||
.....^.^.^.....
|
||||
...............
|
||||
....^.^...^....
|
||||
...............
|
||||
...^.^...^.^...
|
||||
...............
|
||||
..^...^.....^..
|
||||
...............
|
||||
.^.^.^.^.^...^.
|
||||
...............
|
||||
</code></pre>
|
||||
<p>Those beams continue downward until they reach more splitters:</p>
|
||||
<pre><code>.......S.......
|
||||
.......|.......
|
||||
......|^|......
|
||||
......|.|......
|
||||
......^.^......
|
||||
...............
|
||||
.....^.^.^.....
|
||||
...............
|
||||
....^.^...^....
|
||||
...............
|
||||
...^.^...^.^...
|
||||
...............
|
||||
..^...^.....^..
|
||||
...............
|
||||
.^.^.^.^.^...^.
|
||||
...............
|
||||
</code></pre>
|
||||
<p>At this point, the two splitters create a total of only <em>three</em> tachyon beams, since they are both dumping tachyons into the same place between them:</p>
|
||||
<pre><code>.......S.......
|
||||
.......|.......
|
||||
......|^|......
|
||||
......|.|......
|
||||
.....|^|^|.....
|
||||
...............
|
||||
.....^.^.^.....
|
||||
...............
|
||||
....^.^...^....
|
||||
...............
|
||||
...^.^...^.^...
|
||||
...............
|
||||
..^...^.....^..
|
||||
...............
|
||||
.^.^.^.^.^...^.
|
||||
...............
|
||||
</code></pre>
|
||||
<p>This process continues until all of the tachyon beams reach a splitter or exit the manifold:</p>
|
||||
<pre><code>.......S.......
|
||||
.......|.......
|
||||
......|^|......
|
||||
......|.|......
|
||||
.....|^|^|.....
|
||||
.....|.|.|.....
|
||||
....|^|^|^|....
|
||||
....|.|.|.|....
|
||||
...|^|^|||^|...
|
||||
...|.|.|||.|...
|
||||
..|^|^|||^|^|..
|
||||
..|.|.|||.|.|..
|
||||
.|^|||^||.||^|.
|
||||
.|.|||.||.||.|.
|
||||
|^|^|^|^|^|||^|
|
||||
|.|.|.|.|.|||.|
|
||||
</code></pre>
|
||||
<p>To repair the teleporter, you first need to understand the beam-splitting properties of the tachyon manifold. In this example, a tachyon beam is split a total of <em><code>21</code></em> times.</p>
|
||||
<p>Analyze your manifold diagram. <em>How many times will the beam be split?</em></p>
|
||||
</article>
|
||||
<p>To begin, <a href="7/input" target="_blank">get your puzzle input</a>.</p>
|
||||
<form method="post" action="7/answer"><input type="hidden" name="level" value="1"/><p>Answer: <input type="text" name="answer" autocomplete="off"/> <input type="submit" value="[Submit]"/></p></form>
|
||||
<p>You can also <span class="share">[Share<span class="share-content">on
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||||
<a href="https://twitter.com/intent/tweet?text=%22Laboratories%22+%2D+Day+7+%2D+Advent+of+Code+2025&url=https%3A%2F%2Fadventofcode%2Ecom%2F2025%2Fday%2F7&related=ericwastl&hashtags=AdventOfCode" target="_blank">Twitter</a>
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|
||||
></span>]</span> this puzzle.</p>
|
||||
</main>
|
||||
|
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|
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|
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|
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|
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497
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497
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||||
margin: 0 .5em;
|
||||
text-align: center;
|
||||
}
|
||||
.leaderboard-userphoto img {
|
||||
height: 20px;
|
||||
max-width: 20px;
|
||||
vertical-align: middle;
|
||||
position: relative;
|
||||
top: -2px;
|
||||
}
|
||||
.leaderboard-time {
|
||||
opacity: .5;
|
||||
}
|
||||
|
||||
.privboard-row {
|
||||
white-space: pre;
|
||||
}
|
||||
.privboard-name {
|
||||
vertical-align: text-bottom;
|
||||
}
|
||||
.privboard-days > span { display: inline-block; color: #333333; }
|
||||
.privboard-days > a { display: inline-block; }
|
||||
.privboard-star-locked { visibility: hidden; }
|
||||
.privboard-star-unlocked { color: #333333; }
|
||||
.privboard-star-firstonly { color: #9999cc; }
|
||||
.privboard-star-both { color: #ffff66; }
|
||||
.privboard-delbtn { opacity:.33; }
|
||||
.privboard-row:hover .privboard-delbtn { opacity:1; }
|
||||
|
||||
.sponsors {
|
||||
width: 46em; /*76 characters*/
|
||||
}
|
||||
.sponsor {
|
||||
margin: 1em 0;
|
||||
}
|
||||
1839
src/glad.c
Normal file
1839
src/glad.c
Normal file
File diff suppressed because it is too large
Load Diff
110
src/main.c
Normal file
110
src/main.c
Normal file
@ -0,0 +1,110 @@
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <math.h>
|
||||
#include <assert.h>
|
||||
|
||||
#include "glad.h"
|
||||
#include <GLFW/glfw3.h>
|
||||
|
||||
#include "opengl.h"
|
||||
|
||||
typedef unsigned int uint;
|
||||
|
||||
int vp_width = 800;
|
||||
int vp_height = 600;
|
||||
|
||||
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
|
||||
{
|
||||
vp_width = width;
|
||||
vp_height = height;
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
glfwInitHint(GLFW_PLATFORM, GLFW_PLATFORM_X11);
|
||||
glfwInit();
|
||||
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API);
|
||||
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
|
||||
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
|
||||
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
|
||||
|
||||
GLFWwindow* window = glfwCreateWindow(vp_width, vp_height, "advent-of-pixel-shaders", NULL, NULL);
|
||||
if (window == NULL) {
|
||||
const char* description;
|
||||
glfwGetError(&description);
|
||||
fprintf(stderr, "Failed to create GLFW window: %s\n", description);
|
||||
glfwTerminate();
|
||||
return -1;
|
||||
}
|
||||
glfwMakeContextCurrent(window);
|
||||
|
||||
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
|
||||
fprintf(stderr, "gladLoadGLLoader error\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
// textures
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
const char * data = "arst";
|
||||
|
||||
make_texture(data,
|
||||
GL_R8, // internalformat
|
||||
2, // width
|
||||
2, // height
|
||||
GL_RED,
|
||||
GL_UNSIGNED_BYTE);
|
||||
|
||||
uint texture_framebuffer = make_texture(NULL,
|
||||
GL_RGBA32F,
|
||||
2,
|
||||
2,
|
||||
GL_RGBA,
|
||||
GL_UNSIGNED_BYTE);
|
||||
|
||||
uint fp_framebuffer;
|
||||
glGenFramebuffers(1, &fp_framebuffer);
|
||||
glBindFramebuffer(GL_FRAMEBUFFER, fp_framebuffer);
|
||||
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture_framebuffer, 0);
|
||||
|
||||
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
||||
assert(status == GL_FRAMEBUFFER_COMPLETE);
|
||||
|
||||
uint draw_buffers[1] = {GL_COLOR_ATTACHMENT0};
|
||||
glDrawBuffers(1, draw_buffers);
|
||||
|
||||
while(!glfwWindowShouldClose(window)) {
|
||||
if(glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)
|
||||
glfwSetWindowShouldClose(window, true);
|
||||
|
||||
glBindFramebuffer(GL_FRAMEBUFFER, fp_framebuffer);
|
||||
glViewport(0, 0, 2, 2);
|
||||
|
||||
glClearColor(0.1, 0.2, 0.3, 0.4);
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
|
||||
//glFlush();
|
||||
//glFinish();
|
||||
|
||||
float out[4 * 2 * 2] = {0};
|
||||
glReadPixels(0, 0,
|
||||
2, 2,
|
||||
GL_RGBA,
|
||||
GL_FLOAT,
|
||||
out);
|
||||
|
||||
for (int i = 0; i < 4 * 2 * 2; i++) {
|
||||
printf("%f\n", out[i]);
|
||||
}
|
||||
|
||||
break;
|
||||
glfwPollEvents();
|
||||
}
|
||||
|
||||
glfwTerminate();
|
||||
|
||||
return 0;
|
||||
}
|
||||
92
src/opengl.c
Normal file
92
src/opengl.c
Normal file
@ -0,0 +1,92 @@
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include "glad.h"
|
||||
|
||||
unsigned int compile_shader(const void * vp,
|
||||
const int vp_length,
|
||||
const void * fp,
|
||||
const int fp_length)
|
||||
{
|
||||
unsigned int vertex_shader;
|
||||
vertex_shader = glCreateShader(GL_VERTEX_SHADER);
|
||||
glShaderSource(vertex_shader, 1, (const char **)&vp, &vp_length);
|
||||
glCompileShader(vertex_shader);
|
||||
{
|
||||
int success;
|
||||
char info_log[512];
|
||||
glGetShaderiv(vertex_shader, GL_COMPILE_STATUS, &success);
|
||||
if(!success) {
|
||||
glGetShaderInfoLog(vertex_shader, 512, NULL, info_log);
|
||||
fprintf(stderr, "vertex shader compile failed:\n%s\n", info_log);
|
||||
}
|
||||
}
|
||||
|
||||
unsigned int fragment_shader;
|
||||
fragment_shader = glCreateShader(GL_FRAGMENT_SHADER);
|
||||
glShaderSource(fragment_shader, 1, (const char **)&fp, &fp_length);
|
||||
glCompileShader(fragment_shader);
|
||||
{
|
||||
int success;
|
||||
char info_log[512];
|
||||
glGetShaderiv(fragment_shader, GL_COMPILE_STATUS, &success);
|
||||
if(!success) {
|
||||
glGetShaderInfoLog(fragment_shader, 512, NULL, info_log);
|
||||
fprintf(stderr, "fragment shader compile failed:\n%s\n", info_log);
|
||||
}
|
||||
}
|
||||
|
||||
unsigned int shader_program;
|
||||
shader_program = glCreateProgram();
|
||||
|
||||
glAttachShader(shader_program, vertex_shader);
|
||||
glAttachShader(shader_program, fragment_shader);
|
||||
glLinkProgram(shader_program);
|
||||
|
||||
{
|
||||
int success;
|
||||
char info_log[512];
|
||||
glGetProgramiv(shader_program, GL_LINK_STATUS, &success);
|
||||
if(!success) {
|
||||
glGetProgramInfoLog(shader_program, 512, NULL, info_log);
|
||||
fprintf(stderr, "program link failed:\n%s\n", info_log);
|
||||
}
|
||||
}
|
||||
|
||||
glDeleteShader(vertex_shader);
|
||||
glDeleteShader(fragment_shader);
|
||||
|
||||
return shader_program;
|
||||
}
|
||||
|
||||
int make_buffer(unsigned int target,
|
||||
const void * data,
|
||||
size_t size)
|
||||
{
|
||||
unsigned int buffer;
|
||||
glGenBuffers(1, &buffer);
|
||||
glBindBuffer(target, buffer);
|
||||
glBufferData(target, size, data, GL_STATIC_DRAW);
|
||||
return buffer;
|
||||
}
|
||||
|
||||
int make_texture(const void * data,
|
||||
int internalformat,
|
||||
int width,
|
||||
int height,
|
||||
int format,
|
||||
int type)
|
||||
{
|
||||
unsigned int texture;
|
||||
glGenTextures(1, &texture);
|
||||
|
||||
glBindTexture(GL_TEXTURE_2D, texture);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||||
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, internalformat, width, height, 0, format, type, data);
|
||||
|
||||
return texture;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user