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authorNat Lasseter <user@4574.co.uk>2019-12-19 17:48:09 +0000
committerNat Lasseter <user@4574.co.uk>2019-12-19 17:48:09 +0000
commitcb2cfa0ac23d7daf7f7eb601783adc5f30a35d67 (patch)
tree036cfd53304efce97aaba3a2ba17f76d21c56020 /day19
parentd3107bc313c1cf52e7df9eb9d8ec1fe402416e3c (diff)
Day19 part1, runs forever. looks like an 'understanding the input' type problem.HEADmaster
Diffstat (limited to 'day19')
-rw-r--r--day19/Dockerfile7
-rw-r--r--day19/Makefile14
-rwxr-xr-xday19/entrypoint13
-rw-r--r--day19/input1
-rwxr-xr-xday19/part1125
5 files changed, 160 insertions, 0 deletions
diff --git a/day19/Dockerfile b/day19/Dockerfile
new file mode 100644
index 0000000..e5adcb1
--- /dev/null
+++ b/day19/Dockerfile
@@ -0,0 +1,7 @@
+FROM ruby:2.6.5-slim
+
+WORKDIR /opt
+
+COPY . .
+
+ENTRYPOINT ["./entrypoint"]
diff --git a/day19/Makefile b/day19/Makefile
new file mode 100644
index 0000000..6608373
--- /dev/null
+++ b/day19/Makefile
@@ -0,0 +1,14 @@
+DAY = 19
+
+.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/day19/entrypoint b/day19/entrypoint
new file mode 100755
index 0000000..8982d21
--- /dev/null
+++ b/day19/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/day19/input b/day19/input
new file mode 100644
index 0000000..ad5bc2f
--- /dev/null
+++ b/day19/input
@@ -0,0 +1 @@
+109,424,203,1,21101,11,0,0,1105,1,282,21102,18,1,0,1105,1,259,2102,1,1,221,203,1,21102,1,31,0,1106,0,282,21101,0,38,0,1106,0,259,20102,1,23,2,21202,1,1,3,21101,0,1,1,21102,57,1,0,1105,1,303,2101,0,1,222,20102,1,221,3,20101,0,221,2,21102,259,1,1,21101,0,80,0,1106,0,225,21102,135,1,2,21101,0,91,0,1105,1,303,2102,1,1,223,21001,222,0,4,21102,259,1,3,21102,1,225,2,21101,0,225,1,21101,118,0,0,1106,0,225,20101,0,222,3,21101,0,12,2,21101,0,133,0,1106,0,303,21202,1,-1,1,22001,223,1,1,21102,1,148,0,1105,1,259,1202,1,1,223,21002,221,1,4,20102,1,222,3,21101,0,17,2,1001,132,-2,224,1002,224,2,224,1001,224,3,224,1002,132,-1,132,1,224,132,224,21001,224,1,1,21102,1,195,0,105,1,109,20207,1,223,2,21001,23,0,1,21101,0,-1,3,21101,214,0,0,1105,1,303,22101,1,1,1,204,1,99,0,0,0,0,109,5,1202,-4,1,249,21201,-3,0,1,22102,1,-2,2,22102,1,-1,3,21102,250,1,0,1106,0,225,21202,1,1,-4,109,-5,2106,0,0,109,3,22107,0,-2,-1,21202,-1,2,-1,21201,-1,-1,-1,22202,-1,-2,-2,109,-3,2105,1,0,109,3,21207,-2,0,-1,1206,-1,294,104,0,99,21201,-2,0,-2,109,-3,2105,1,0,109,5,22207,-3,-4,-1,1206,-1,346,22201,-4,-3,-4,21202,-3,-1,-1,22201,-4,-1,2,21202,2,-1,-1,22201,-4,-1,1,22102,1,-2,3,21101,0,343,0,1106,0,303,1105,1,415,22207,-2,-3,-1,1206,-1,387,22201,-3,-2,-3,21202,-2,-1,-1,22201,-3,-1,3,21202,3,-1,-1,22201,-3,-1,2,22101,0,-4,1,21102,384,1,0,1105,1,303,1106,0,415,21202,-4,-1,-4,22201,-4,-3,-4,22202,-3,-2,-2,22202,-2,-4,-4,22202,-3,-2,-3,21202,-4,-1,-2,22201,-3,-2,1,22102,1,1,-4,109,-5,2106,0,0
diff --git a/day19/part1 b/day19/part1
new file mode 100755
index 0000000..31220e5
--- /dev/null
+++ b/day19/part1
@@ -0,0 +1,125 @@
+#!/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
+
+input = $stdin.readlines[0].strip.split(",").map(&:to_i)
+
+count = 0
+50.times do |x|
+ 50.times do |y|
+ m = Machine.new(input)
+ m.buffer_input(x)
+ m.buffer_input(y)
+ m.run
+ count += m.buffered_output.last
+ end
+end
+
+puts count