From 3bea5ec1373b842e6ad9f7cff050615e1f5ebde8 Mon Sep 17 00:00:00 2001 From: Nat Lasseter Date: Wed, 11 Dec 2019 12:58:03 +0000 Subject: Day 11 --- day11/Dockerfile | 7 ++ day11/Makefile | 14 ++++ day11/entrypoint | 13 ++++ day11/input | 1 + day11/part1 | 164 ++++++++++++++++++++++++++++++++++++++++++++++ day11/part2 | 195 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 394 insertions(+) create mode 100644 day11/Dockerfile create mode 100644 day11/Makefile create mode 100755 day11/entrypoint create mode 100644 day11/input create mode 100755 day11/part1 create mode 100755 day11/part2 diff --git a/day11/Dockerfile b/day11/Dockerfile new file mode 100644 index 0000000..e5adcb1 --- /dev/null +++ b/day11/Dockerfile @@ -0,0 +1,7 @@ +FROM ruby:2.6.5-slim + +WORKDIR /opt + +COPY . . + +ENTRYPOINT ["./entrypoint"] diff --git a/day11/Makefile b/day11/Makefile new file mode 100644 index 0000000..7b89f8b --- /dev/null +++ b/day11/Makefile @@ -0,0 +1,14 @@ +DAY = 11 + +.PHONY: run clean + +run: build + docker run -it --rm aoc2019day$(DAY) + +build: part* input + docker build -t aoc2019day$(DAY) . + touch build + +clean: + docker image rm -f aoc2019day$(DAY) + rm -f build diff --git a/day11/entrypoint b/day11/entrypoint new file mode 100755 index 0000000..8982d21 --- /dev/null +++ b/day11/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/day11/input b/day11/input new file mode 100644 index 0000000..8a5faf7 --- /dev/null +++ b/day11/input @@ -0,0 +1 @@ +3,8,1005,8,327,1106,0,11,0,0,0,104,1,104,0,3,8,102,-1,8,10,1001,10,1,10,4,10,108,0,8,10,4,10,1001,8,0,28,1006,0,42,2,1104,11,10,1006,0,61,2,1005,19,10,3,8,1002,8,-1,10,1001,10,1,10,4,10,1008,8,1,10,4,10,102,1,8,65,1006,0,4,3,8,1002,8,-1,10,1001,10,1,10,4,10,108,1,8,10,4,10,1002,8,1,89,1,1108,10,10,1,1103,11,10,1,109,18,10,1006,0,82,3,8,102,-1,8,10,1001,10,1,10,4,10,108,0,8,10,4,10,102,1,8,126,2,109,7,10,1,104,3,10,1006,0,64,2,1109,20,10,3,8,1002,8,-1,10,101,1,10,10,4,10,108,1,8,10,4,10,101,0,8,163,3,8,102,-1,8,10,1001,10,1,10,4,10,108,1,8,10,4,10,1002,8,1,185,2,1109,12,10,2,103,16,10,1,107,11,10,3,8,102,-1,8,10,1001,10,1,10,4,10,108,0,8,10,4,10,1001,8,0,219,1,1005,19,10,3,8,102,-1,8,10,1001,10,1,10,4,10,108,1,8,10,4,10,102,1,8,245,2,1002,8,10,1,2,9,10,1006,0,27,1006,0,37,3,8,1002,8,-1,10,1001,10,1,10,4,10,108,0,8,10,4,10,102,1,8,281,1006,0,21,3,8,102,-1,8,10,101,1,10,10,4,10,108,0,8,10,4,10,1001,8,0,306,101,1,9,9,1007,9,1075,10,1005,10,15,99,109,649,104,0,104,1,21102,1,847069852568,1,21101,344,0,0,1105,1,448,21101,0,386979963688,1,21101,355,0,0,1105,1,448,3,10,104,0,104,1,3,10,104,0,104,0,3,10,104,0,104,1,3,10,104,0,104,1,3,10,104,0,104,0,3,10,104,0,104,1,21102,46346031251,1,1,21101,0,402,0,1105,1,448,21102,1,29195594775,1,21101,0,413,0,1105,1,448,3,10,104,0,104,0,3,10,104,0,104,0,21101,0,868498428772,1,21101,0,436,0,1106,0,448,21102,718170641172,1,1,21102,1,447,0,1105,1,448,99,109,2,21202,-1,1,1,21102,40,1,2,21102,1,479,3,21102,1,469,0,1105,1,512,109,-2,2105,1,0,0,1,0,0,1,109,2,3,10,204,-1,1001,474,475,490,4,0,1001,474,1,474,108,4,474,10,1006,10,506,1101,0,0,474,109,-2,2106,0,0,0,109,4,2102,1,-1,511,1207,-3,0,10,1006,10,529,21101,0,0,-3,22101,0,-3,1,22101,0,-2,2,21101,0,1,3,21101,548,0,0,1106,0,553,109,-4,2106,0,0,109,5,1207,-3,1,10,1006,10,576,2207,-4,-2,10,1006,10,576,21202,-4,1,-4,1106,0,644,22101,0,-4,1,21201,-3,-1,2,21202,-2,2,3,21102,1,595,0,1105,1,553,21201,1,0,-4,21101,0,1,-1,2207,-4,-2,10,1006,10,614,21102,1,0,-1,22202,-2,-1,-2,2107,0,-3,10,1006,10,636,22102,1,-1,1,21102,1,636,0,106,0,511,21202,-2,-1,-2,22201,-4,-2,-4,109,-5,2105,1,0 diff --git a/day11/part1 b/day11/part1 new file mode 100755 index 0000000..4962e2e --- /dev/null +++ b/day11/part1 @@ -0,0 +1,164 @@ +#!/usr/bin/env ruby + +class Machine + def initialize(starting_memory = []) + @mem = starting_memory + @pc = 0 + @halt = false + @buffered_input = [] + @buffered_output = [] + @relative_base = 0 + end + + def mem(start = 0, len = @mem.length) + @mem[start...(start + len)] + end + + def halt! + @halt = true + end + + def halt? + @halt + end + + def buffer_input(x) + if x.is_a?(Array) then + @buffered_input += x + else + @buffered_input.push(x) + end + end + + def buffered_output(flush = false) + t = @buffered_output + @buffered_output = [] if flush + t + end + + def step + return if halt? + + opcode = @mem[@pc] % 100 + + if opcode == 99 then + halt! + @pc += 1 + return + end + + p3, p2, p1 = ("%03d" % (@mem[@pc] / 100)).chars + + l1w, l1r = get(p1, 1) + l2w, l2r = get(p2, 2) if [1,2,5,6,7,8].include?(opcode) + l3w, l3r = get(p3, 3) if [1,2,7,8].include?(opcode) + + case opcode + when 1 + @mem[l3w] = l1r + l2r + @pc += 4 + when 2 + @mem[l3w] = l1r * l2r + @pc += 4 + when 3 + @mem[l1w] = @buffered_input.shift + @pc += 2 + when 4 + @buffered_output.push(l1r) + @pc += 2 + when 5 + @pc = (l1r != 0 ? l2r : @pc + 3) + when 6 + @pc = (l1r == 0 ? l2r : @pc + 3) + when 7 + @mem[l3w] = (l1r < l2r ? 1 : 0) + @pc += 4 + when 8 + @mem[l3w] = (l1r == l2r ? 1 : 0) + @pc += 4 + when 9 + @relative_base += l1r + @pc += 2 + end + end + + def run + until halt? do + step + end + end + + private + + def get(p, a) + w = case p + when "0" + @mem[@pc + a] + when "2" + @relative_base + @mem[@pc + a] + end + r = case p + when "0" + @mem[@mem[@pc + a]] + when "1" + @mem[@pc + a] + when "2" + @mem[@relative_base + @mem[@pc + a]] + end + [w, r || 0] + end +end + +def turn(d, t) + if t.zero? then + case d + when [0, -1] + [-1, 0] + when [-1, 0] + [0, 1] + when [0, 1] + [1, 0] + when [1, 0] + [0, -1] + end + else + case d + when [0, -1] + [1, 0] + when [-1, 0] + [0, -1] + when [0, 1] + [-1, 0] + when [1, 0] + [0, 1] + end + end +end + +def move(l, d) + [l[0] + d[0], l[1] + d[1]] +end + +input = $stdin.readlines[0].strip.split(",").map(&:to_i) + +m = Machine.new(input) +grid = Hash.new{0} + +l = [0, 0] +d = [0, -1] +loop do + m.buffer_input(grid[l]) + until m.halt? || m.buffered_output.length == 2 do + m.step + end + if m.halt? then + break + else + p, t = m.buffered_output(true) + grid[l] = p + d = turn(d, t) + l = move(l, d) + end +end + +puts grid.keys.count diff --git a/day11/part2 b/day11/part2 new file mode 100755 index 0000000..0f9dde2 --- /dev/null +++ b/day11/part2 @@ -0,0 +1,195 @@ +#!/usr/bin/env ruby + +class Machine + def initialize(starting_memory = []) + @mem = starting_memory + @pc = 0 + @halt = false + @buffered_input = [] + @buffered_output = [] + @relative_base = 0 + end + + def mem(start = 0, len = @mem.length) + @mem[start...(start + len)] + end + + def halt! + @halt = true + end + + def halt? + @halt + end + + def buffer_input(x) + if x.is_a?(Array) then + @buffered_input += x + else + @buffered_input.push(x) + end + end + + def buffered_output(flush = false) + t = @buffered_output + @buffered_output = [] if flush + t + end + + def step + return if halt? + + opcode = @mem[@pc] % 100 + + if opcode == 99 then + halt! + @pc += 1 + return + end + + p3, p2, p1 = ("%03d" % (@mem[@pc] / 100)).chars + + l1w, l1r = get(p1, 1) + l2w, l2r = get(p2, 2) if [1,2,5,6,7,8].include?(opcode) + l3w, l3r = get(p3, 3) if [1,2,7,8].include?(opcode) + + case opcode + when 1 + @mem[l3w] = l1r + l2r + @pc += 4 + when 2 + @mem[l3w] = l1r * l2r + @pc += 4 + when 3 + @mem[l1w] = @buffered_input.shift + @pc += 2 + when 4 + @buffered_output.push(l1r) + @pc += 2 + when 5 + @pc = (l1r != 0 ? l2r : @pc + 3) + when 6 + @pc = (l1r == 0 ? l2r : @pc + 3) + when 7 + @mem[l3w] = (l1r < l2r ? 1 : 0) + @pc += 4 + when 8 + @mem[l3w] = (l1r == l2r ? 1 : 0) + @pc += 4 + when 9 + @relative_base += l1r + @pc += 2 + end + end + + def run + until halt? do + step + end + end + + private + + def get(p, a) + w = case p + when "0" + @mem[@pc + a] + when "2" + @relative_base + @mem[@pc + a] + end + r = case p + when "0" + @mem[@mem[@pc + a]] + when "1" + @mem[@pc + a] + when "2" + @mem[@relative_base + @mem[@pc + a]] + end + [w, r || 0] + end +end + +def turn(d, t) + if t.zero? then + case d + when [0, -1] + [-1, 0] + when [-1, 0] + [0, 1] + when [0, 1] + [1, 0] + when [1, 0] + [0, -1] + end + else + case d + when [0, -1] + [1, 0] + when [-1, 0] + [0, -1] + when [0, 1] + [-1, 0] + when [1, 0] + [0, 1] + end + end +end + +def move(l, d) + [l[0] + d[0], l[1] + d[1]] +end + +def make2darray(hash) + dx = -hash.keys.map(&:first).min + dy = -hash.keys.map(&:last).min + maxx = hash.keys.map(&:first).max + dx + maxy = hash.keys.map(&:last).max + dy + array = Array.new(maxy + 1) { Array.new(maxx + 1, 0) } + hash.each do |l, p| + array[l.last + dy][l.first + dx] = p + end + array +end + +input = $stdin.readlines[0].strip.split(",").map(&:to_i) + +m = Machine.new(input) +grid = Hash.new{0} +grid[[0,0]] = 1 + +l = [0, 0] +d = [0, -1] +loop do + m.buffer_input(grid[l]) + until m.halt? || m.buffered_output.length == 2 do + m.step + end + if m.halt? then + break + else + p, t = m.buffered_output(true) + grid[l] = p + d = turn(d, t) + l = move(l, d) + end +end + +grid = make2darray(grid) + +grid.each_slice(2) do |u, l| + w = u.length + l = Array.new(w, 0) if l.nil? + w.times do |i| + case [u[i], l[i]] + when [0,0] + print " " + when [0,1] + print "▄" + when [1,0] + print "▀" + when [1,1] + print "█" + end + end + puts +end -- cgit v1.2.1