diff options
| -rw-r--r-- | day01/Dockerfile | 7 | ||||
| -rw-r--r-- | day01/Makefile | 13 | ||||
| -rwxr-xr-x | day01/entrypoint | 13 | ||||
| -rw-r--r-- | day01/input | 100 | ||||
| -rwxr-xr-x | day01/part1 | 5 | ||||
| -rwxr-xr-x | day01/part2 | 15 |
6 files changed, 153 insertions, 0 deletions
diff --git a/day01/Dockerfile b/day01/Dockerfile new file mode 100644 index 0000000..e5adcb1 --- /dev/null +++ b/day01/Dockerfile @@ -0,0 +1,7 @@ +FROM ruby:2.6.5-slim + +WORKDIR /opt + +COPY . . + +ENTRYPOINT ["./entrypoint"] diff --git a/day01/Makefile b/day01/Makefile new file mode 100644 index 0000000..b5b7219 --- /dev/null +++ b/day01/Makefile @@ -0,0 +1,13 @@ +DAY = 01 + +.PHONY: run clean + +run: build + docker run -it --rm aoc2019day$(DAY) + +build: part* input + docker build -t aoc2019day$(DAY) . + touch build + +clean: + rm -f build diff --git a/day01/entrypoint b/day01/entrypoint new file mode 100755 index 0000000..8982d21 --- /dev/null +++ b/day01/entrypoint @@ -0,0 +1,13 @@ +#!/bin/bash + +if [ -x part1 ] ; then + echo -ne "Part 1:\n\t" + time ./part1 < input +fi +if [ -x part1 -a -x part2 ] ; then + echo +fi +if [ -x part2 ] ; then + echo -ne "Part 2:\n\t" + time ./part2 < input +fi diff --git a/day01/input b/day01/input new file mode 100644 index 0000000..b72d1ab --- /dev/null +++ b/day01/input @@ -0,0 +1,100 @@ +138486 +133535 +66101 +98143 +56639 +120814 +142212 +92654 +100061 +104095 +55169 +94082 +76014 +81109 +106237 +111930 +138463 +145843 +142133 +71154 +112809 +136465 +142342 +68794 +131804 +146345 +107935 +98577 +127456 +89612 +95710 +149792 +136982 +92773 +92303 +114637 +107447 +111815 +149603 +106822 +78811 +114120 +148773 +90259 +101612 +82220 +139301 +91121 +99366 +84070 +120713 +59311 +120435 +56106 +127426 +110465 +76167 +81199 +116298 +110064 +125674 +135698 +86792 +114228 +119794 +76683 +125698 +103450 +142435 +142297 +122593 +96177 +104287 +121379 +54729 +108057 +127334 +91718 +67009 +93304 +66907 +133910 +145775 +119241 +117492 +56351 +96171 +50449 +137815 +149308 +119003 +60320 +66853 +56648 +52003 +115137 +124759 +73799 +94731 +147480 diff --git a/day01/part1 b/day01/part1 new file mode 100755 index 0000000..6d82338 --- /dev/null +++ b/day01/part1 @@ -0,0 +1,5 @@ +#!/usr/bin/env ruby + +input = $stdin.readlines.map(&:strip).map(&:to_i) + +puts input.map{ |x| (x / 3) - 2 }.sum diff --git a/day01/part2 b/day01/part2 new file mode 100755 index 0000000..6f70fe7 --- /dev/null +++ b/day01/part2 @@ -0,0 +1,15 @@ +#!/usr/bin/env ruby + +def fuel_required(mass) + fuel_queue = [mass] + + loop do + new_fuel = (fuel_queue.last / 3) - 2 + return (fuel_queue.sum - mass) if new_fuel <= 0 + fuel_queue << new_fuel + end +end + +input = $stdin.readlines.map(&:strip).map(&:to_i) + +puts input.map{ |x| fuel_required(x) }.sum |