diff options
| -rw-r--r-- | .gitignore | 2 | ||||
| -rw-r--r-- | Readme.textile | 14 | ||||
| -rw-r--r-- | day01/Dockerfile | 7 | ||||
| -rw-r--r-- | day01/Makefile | 10 | ||||
| -rwxr-xr-x | day01/entrypoint | 10 | ||||
| -rw-r--r-- | day01/input | 958 | ||||
| -rwxr-xr-x | day01/part1 | 3 | ||||
| -rwxr-xr-x | day01/part2 | 17 | ||||
| -rw-r--r-- | day02/Dockerfile | 7 | ||||
| -rw-r--r-- | day02/Makefile | 10 | ||||
| -rwxr-xr-x | day02/entrypoint | 10 | ||||
| -rw-r--r-- | day02/input | 250 | ||||
| -rwxr-xr-x | day02/part1 | 26 | ||||
| -rwxr-xr-x | day02/part2 | 33 | ||||
| -rw-r--r-- | skel/Dockerfile | 7 | ||||
| -rw-r--r-- | skel/Makefile | 10 | ||||
| -rwxr-xr-x | skel/entrypoint | 10 | ||||
| -rw-r--r-- | skel/input | 0 | ||||
| -rwxr-xr-x | skel/part1 | 3 |
19 files changed, 1387 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..d5a1572 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +*.swp +build diff --git a/Readme.textile b/Readme.textile new file mode 100644 index 0000000..7f3b23f --- /dev/null +++ b/Readme.textile @@ -0,0 +1,14 @@ +h1. Advent of Code 2018 + +p. My answers thereto. + +h2. Running a day + +bc. cd day01 +make + +h2. Creating a new day + +bc. cp -r skel day01 +cd day01 +sed -ie 's/DAY = /DAY = 01/' Makefile diff --git a/day01/Dockerfile b/day01/Dockerfile new file mode 100644 index 0000000..5e0a8b7 --- /dev/null +++ b/day01/Dockerfile @@ -0,0 +1,7 @@ +FROM ruby:2.5-slim + +WORKDIR /opt + +COPY . . + +ENTRYPOINT ["./entrypoint"] diff --git a/day01/Makefile b/day01/Makefile new file mode 100644 index 0000000..4b5665a --- /dev/null +++ b/day01/Makefile @@ -0,0 +1,10 @@ +DAY = 01 + +.PHONY: run + +run: build + sudo docker run -it --rm aoc2018day$(DAY) + +build: + sudo docker build -t aoc2018day$(DAY) . + touch build diff --git a/day01/entrypoint b/day01/entrypoint new file mode 100755 index 0000000..cff9f4c --- /dev/null +++ b/day01/entrypoint @@ -0,0 +1,10 @@ +#!/bin/bash + +if [ -x part1 ] ; then + echo -ne "Part 1:\n\t" + ./part1 < input +fi +if [ -x part2 ] ; then + echo -ne "Part 2:\n\t" + ./part2 < input +fi diff --git a/day01/input b/day01/input new file mode 100644 index 0000000..7fc11dd --- /dev/null +++ b/day01/input @@ -0,0 +1,958 @@ ++19 +-13 ++3 ++3 ++3 ++8 ++11 ++20 +-19 ++14 ++13 ++4 ++18 ++8 ++17 ++18 +-13 ++4 ++4 ++6 ++2 ++10 ++13 +-2 ++1 +-7 ++14 +-15 +-2 ++16 ++15 +-2 +-8 +-16 +-18 +-10 ++20 ++18 ++9 ++17 +-9 +-14 ++7 +-3 ++20 ++8 ++12 +-3 +-3 ++11 ++19 ++6 +-2 +-1 +-10 ++5 ++11 ++10 +-8 ++16 ++4 ++17 +-9 +-3 +-8 ++4 ++11 ++4 +-3 ++15 +-6 ++16 +-19 +-20 +-6 ++9 ++2 +-6 +-3 +-10 +-8 ++4 +-16 ++11 +-10 ++4 +-2 ++19 +-13 ++18 +-13 +-8 ++18 +-6 ++1 ++25 ++18 ++10 ++13 +-6 +-18 ++17 +-13 +-10 ++15 +-2 ++14 ++18 +-5 +-15 ++18 +-5 ++6 ++8 ++2 +-1 +-2 ++16 ++16 +-6 ++11 ++11 +-15 ++18 ++1 +-7 ++1 +-7 ++8 +-12 ++7 ++1 ++15 ++4 ++10 ++15 ++19 +-14 +-19 ++10 ++12 +-2 ++4 ++6 ++8 ++4 ++17 +-10 ++5 +-11 +-16 +-18 +-18 +-4 +-10 ++18 +-7 ++19 ++9 +-5 +-18 +-3 ++11 +-15 ++6 +-9 ++1 +-17 ++15 +-6 +-20 +-4 +-3 ++16 +-15 ++1 +-20 ++2 ++13 ++1 ++7 +-20 ++10 +-7 +-11 ++16 ++19 +-3 +-22 ++9 +-4 +-16 +-2 +-8 +-3 +-7 ++3 ++9 +-19 +-19 ++11 ++2 +-15 ++10 ++9 +-11 ++10 ++15 ++1 ++21 ++6 +-3 +-22 ++5 +-14 +-7 ++25 ++2 +-36 +-18 +-7 ++11 +-15 ++21 +-13 ++14 +-19 +-12 +-4 +-30 +-4 +-18 +-7 +-13 ++8 +-15 ++6 ++2 +-9 ++17 ++3 ++7 ++4 ++11 ++5 +-9 ++3 ++10 +-18 ++1 ++2 ++1 +-7 ++14 ++4 ++6 ++22 +-23 +-4 +-10 +-20 +-6 +-10 +-11 ++1 ++19 ++12 ++1 ++18 +-17 ++19 +-27 +-8 +-14 ++10 +-25 +-24 +-5 ++14 +-11 +-1 +-16 +-12 +-7 ++17 +-4 +-18 ++16 +-12 +-18 +-16 +-2 +-5 +-7 ++1 ++15 +-10 ++18 ++4 ++1 ++13 ++8 ++19 ++3 +-9 ++1 +-13 +-15 +-1 ++5 +-18 +-11 +-3 +-17 ++18 ++8 ++1 ++3 ++18 +-2 +-5 ++1 ++14 +-13 ++7 ++14 ++21 +-19 ++2 ++8 +-15 ++6 ++15 ++20 ++5 ++17 ++14 +-25 +-10 ++5 ++18 +-7 +-13 +-2 +-9 +-15 ++10 +-35 ++15 ++4 ++37 +-24 ++14 ++15 ++2 +-32 +-34 +-12 +-12 +-25 +-19 +-16 ++10 +-7 +-10 ++20 ++17 ++8 ++16 +-8 +-1 +-2 +-12 ++2 +-7 ++3 +-5 +-27 +-8 +-8 +-2 ++19 +-15 +-1 ++24 +-15 +-3 +-1 ++3 +-34 +-16 ++8 +-24 ++9 +-8 +-31 +-7 +-31 +-33 +-50 +-11 ++70 ++60 ++61 ++12 ++1 ++56 ++18 ++39 +-13 +-5 ++54 +-48 +-47 ++137 +-62 +-76 +-168 +-329 +-59773 +-19 ++4 ++16 +-6 +-13 ++6 ++16 ++5 +-6 +-5 ++13 ++9 +-8 +-15 +-7 +-14 ++1 +-10 +-6 ++18 ++14 +-18 ++16 ++19 +-14 ++11 ++6 ++5 +-1 ++18 +-14 +-15 ++9 +-16 ++9 +-3 +-13 ++2 +-8 +-3 ++1 +-10 +-19 +-17 +-13 +-3 +-12 +-14 +-13 ++15 +-17 ++8 +-5 +-7 +-7 +-3 +-12 ++18 +-8 ++4 ++16 ++3 +-2 ++6 ++14 ++6 ++14 +-8 ++15 +-3 ++4 +-17 +-12 ++22 +-13 ++7 +-10 +-8 ++6 ++19 ++17 ++2 ++15 ++18 +-12 ++2 +-1 +-3 +-16 +-14 ++15 +-19 ++16 ++15 ++8 +-11 +-8 +-13 +-8 ++15 +-2 +-4 +-3 +-18 ++4 ++1 +-4 ++9 +-22 +-6 +-4 +-22 ++18 +-13 +-8 +-15 +-14 +-5 +-2 +-3 +-4 +-11 +-17 +-18 +-8 ++9 +-3 ++11 ++14 ++15 +-1 +-9 +-11 ++19 +-10 ++8 ++6 ++16 +-12 +-13 ++8 +-12 +-8 ++6 +-1 +-11 ++19 +-16 ++6 +-14 +-5 ++11 +-15 +-11 ++14 +-19 +-12 +-1 ++12 ++4 ++19 ++7 +-6 +-17 ++5 ++10 +-9 +-2 +-6 ++10 +-17 ++16 +-24 +-13 ++19 ++1 +-18 +-1 ++5 +-2 +-9 +-5 +-13 ++5 +-16 ++4 ++16 +-12 ++17 +-11 +-2 ++14 +-17 +-2 ++16 +-17 +-13 ++1 +-5 ++6 +-8 ++4 +-9 +-5 +-15 +-15 ++10 +-16 ++15 +-16 +-18 ++16 +-11 +-3 +-4 +-7 ++17 ++1 +-10 +-15 +-1 +-8 ++2 ++11 ++9 ++10 ++8 +-4 +-19 ++9 ++12 +-10 ++14 ++19 +-9 ++6 +-9 ++14 ++14 +-5 ++16 +-9 ++5 ++21 +-4 +-14 +-17 +-15 ++9 ++19 +-15 +-15 +-16 +-6 +-12 ++10 ++22 ++11 +-8 +-8 ++10 +-8 ++23 ++10 +-3 ++17 ++23 ++17 +-4 +-9 ++11 +-8 ++11 ++18 +-14 +-16 ++10 +-4 ++12 ++13 ++13 +-16 ++1 +-6 ++16 +-12 ++18 ++19 ++20 ++21 +-18 ++12 ++17 ++9 ++4 ++2 +-19 +-9 +-6 +-14 +-14 ++5 ++43 ++5 ++2 +-18 ++24 +-3 +-9 +-23 ++18 ++7 +-12 ++25 ++2 ++12 ++18 ++8 +-3 +-17 +-21 ++5 ++5 ++16 ++28 +-15 +-22 +-15 ++11 +-24 +-10 ++28 ++22 ++18 ++8 ++26 ++16 +-4 ++2 ++17 +-14 ++28 ++2 +-32 +-16 +-6 +-22 +-18 +-4 ++13 ++45 +-6 ++79 ++7 ++3 ++8 +-4 +-5 ++6 +-7 ++16 +-20 +-24 +-24 +-13 ++7 ++52 ++21 +-2 ++21 ++18 ++17 +-8 ++27 +-7 +-19 ++8 ++7 ++20 ++2 ++12 +-16 +-11 +-20 ++4 +-28 +-10 +-32 +-9 +-3 ++129 +-7 ++31 ++2 ++16 ++27 +-68 +-45 +-222 +-27 +-27 ++19 ++4 +-58 ++14 ++27 +-1 +-119 +-15 ++68 +-14 +-46 +-101 ++16 +-25 ++58 +-119 ++11 +-251 +-59893 ++1 +-4 ++17 ++16 +-12 +-13 ++1 ++7 +-6 ++10 ++11 +-13 +-16 +-17 ++6 ++16 +-12 ++2 ++15 +-6 +-19 ++6 +-15 ++14 +-16 +-12 +-15 +-1 ++20 ++9 +-5 +-16 +-4 ++15 +-8 +-16 +-14 +-10 +-7 +-14 +-6 ++15 +-4 +-1 +-12 +-12 ++2 ++5 ++15 +-9 ++6 +-2 ++15 ++5 ++10 +-2 ++4 ++8 +-15 +-14 ++20 +-4 ++18 ++17 ++3 ++11 ++12 ++5 +-18 +-16 ++19 ++6 +-17 ++13 ++14 +-9 ++1 ++13 +-12 +-16 +-5 +-19 +-18 ++13 ++14 ++7 +-3 ++14 ++5 +-11 +-13 +-22 ++4 ++12 ++2 +-15 +-13 ++15 ++1 +-13 +-12 +-8 +-5 +-9 ++7 ++19 +-8 ++9 ++16 ++11 +-33 ++3 ++5 +-12 +-20 +-13 +-7 ++121412 diff --git a/day01/part1 b/day01/part1 new file mode 100755 index 0000000..aba8398 --- /dev/null +++ b/day01/part1 @@ -0,0 +1,3 @@ +#!/usr/bin/env ruby + +puts $stdin.readlines.map(&:to_i).sum diff --git a/day01/part2 b/day01/part2 new file mode 100755 index 0000000..d48de47 --- /dev/null +++ b/day01/part2 @@ -0,0 +1,17 @@ +#!/usr/bin/env ruby + +input = $stdin.readlines.map(&:to_i) + +lf = 0 +freq = [0] + +loop do + input.each do |i| + lf += i + if freq.include?(lf) + puts lf + exit + end + freq << lf + end +end diff --git a/day02/Dockerfile b/day02/Dockerfile new file mode 100644 index 0000000..5e0a8b7 --- /dev/null +++ b/day02/Dockerfile @@ -0,0 +1,7 @@ +FROM ruby:2.5-slim + +WORKDIR /opt + +COPY . . + +ENTRYPOINT ["./entrypoint"] diff --git a/day02/Makefile b/day02/Makefile new file mode 100644 index 0000000..40af6b1 --- /dev/null +++ b/day02/Makefile @@ -0,0 +1,10 @@ +DAY = 02 + +.PHONY: run + +run: build + sudo docker run -it --rm aoc2018day$(DAY) + +build: + sudo docker build -t aoc2018day$(DAY) . + touch build diff --git a/day02/entrypoint b/day02/entrypoint new file mode 100755 index 0000000..cff9f4c --- /dev/null +++ b/day02/entrypoint @@ -0,0 +1,10 @@ +#!/bin/bash + +if [ -x part1 ] ; then + echo -ne "Part 1:\n\t" + ./part1 < input +fi +if [ -x part2 ] ; then + echo -ne "Part 2:\n\t" + ./part2 < input +fi diff --git a/day02/input b/day02/input new file mode 100644 index 0000000..69850ae --- /dev/null +++ b/day02/input @@ -0,0 +1,250 @@ +tjxmoewpqkyaiqvmndgflunszc +tjxmobwpqkyaihvrndgfjubszm 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+tjxmoewpvkyaihvrndoflubszq +sjxmoewpqkyaihvrndgflubyec +tjxmoewpqkyaizcrndgfnubszc diff --git a/day02/part1 b/day02/part1 new file mode 100755 index 0000000..dca8ec2 --- /dev/null +++ b/day02/part1 @@ -0,0 +1,26 @@ +#!/usr/bin/env ruby + +class Integer + def two? + self == 2 + end + def three? + self == 3 + end +end + +input = $stdin.readlines.map(&:chomp) + +twos = 0 +threes = 0 + +input.each do |i| + hash = Hash.new(0) + i.chars.each do |c| + hash[c] += 1 + end + twos += 1 if hash.values.map(&:two?).any? + threes += 1 if hash.values.map(&:three?).any? +end + +puts twos * threes diff --git a/day02/part2 b/day02/part2 new file mode 100755 index 0000000..aa82247 --- /dev/null +++ b/day02/part2 @@ -0,0 +1,33 @@ +#!/usr/bin/env ruby + +class String + def distance(other) + sa = self.chars + oa = other.chars + d = 0 + (0...self.length).each do |i| + d += 1 if sa[i] != oa[i] + end + return d + end + + def difference(other) + sa = self.chars + oa = other.chars + (0...self.length).each do |i| + sa[i] = nil if sa[i] != oa[i] + end + return sa.join + end +end + +input = $stdin.readlines.map(&:chomp) + +(0...input.length).each do |i| + (i...input.length).each do |j| + if input[i].distance(input[j]) == 1 + puts input[i].difference(input[j]) + exit + end + end +end diff --git a/skel/Dockerfile b/skel/Dockerfile new file mode 100644 index 0000000..5e0a8b7 --- /dev/null +++ b/skel/Dockerfile @@ -0,0 +1,7 @@ +FROM ruby:2.5-slim + +WORKDIR /opt + +COPY . . + +ENTRYPOINT ["./entrypoint"] diff --git a/skel/Makefile b/skel/Makefile new file mode 100644 index 0000000..1bc4310 --- /dev/null +++ b/skel/Makefile @@ -0,0 +1,10 @@ +DAY = + +.PHONY: run + +run: build + sudo docker run -it --rm aoc2018day$(DAY) + +build: + sudo docker build -t aoc2018day$(DAY) . + touch build diff --git a/skel/entrypoint b/skel/entrypoint new file mode 100755 index 0000000..cff9f4c --- /dev/null +++ b/skel/entrypoint @@ -0,0 +1,10 @@ +#!/bin/bash + +if [ -x part1 ] ; then + echo -ne "Part 1:\n\t" + ./part1 < input +fi +if [ -x part2 ] ; then + echo -ne "Part 2:\n\t" + ./part2 < input +fi diff --git a/skel/input b/skel/input new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/skel/input diff --git a/skel/part1 b/skel/part1 new file mode 100755 index 0000000..90c685a --- /dev/null +++ b/skel/part1 @@ -0,0 +1,3 @@ +#!/usr/bin/env ruby + +input = $stdin.readlines.map(&:chomp) |