WIP day 2
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7557328316
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7
2018/3.moon
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7
2018/3.moon
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require "common"
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pattern = "#(%d+)%s*@%s*(%d+),(%d+):%s*(%d+)x(%d+)"
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input = -> input_matcher 3, pattern
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reduce input!, 0, (n, x, y, w, h) =>
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print @, n, x, y, w, h
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0
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2
2018/common.moon
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2
2018/common.moon
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package.moonpath = "../lib/?.moon;" .. package.moonpath
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require "shared"
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@ -4,7 +4,7 @@ defmodule AdventOfCode2018Test do
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@doc "https://adventofcode.com/2018/day/1"
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test "Day 1" do
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input_stream =
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File.stream!("./inputs/one.txt", [:read])
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File.stream!("../inputs/1.txt", [:read])
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|> Stream.map(&String.trim_trailing/1)
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|> Stream.map(&String.to_integer/1)
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@ -14,7 +14,7 @@ defmodule AdventOfCode2018Test do
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@doc "https://adventofcode.com/2018/day/2"
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test "Day 2" do
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input_stream = File.stream!("./inputs/two.txt", [:read])
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input_stream = File.stream!("../inputs/2.txt", [:read])
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assert Two.part1(input_stream) == 6696
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assert Two.part2(input_stream) == "bvnfawcnyoeyudzrpgslimtkj"
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63
2019/2.moon
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63
2019/2.moon
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-- https://adventofcode.com/2019/day/2
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require "common"
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EXIT = "EXIT"
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-- setup intcode tape
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build_tape = =>
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counter = 1
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tape = {}
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for n in @\gmatch "%d+"
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tape[counter] = tonumber n
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counter += 1
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tape
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clone_tape = => {k,v for k,v in ipairs @}
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-- gets the value at the index indicated by the value at the given index
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get_by_ival = (n) => @[@[n] + 1]
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-- sets the value at the index indicated by the value at the given index
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set_by_ival = (n, v) => @[@[n] + 1] = v
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-- returns a function that applies the given function against the values found
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-- at the indexes indicated in the next two elements of the tape in the tape and
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-- stores the result in the index indicated by the value at 3 plus the current
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-- index
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-- binary store operation
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binary_store_op = (f) ->
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(p) =>
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result = f get_by_ival(@, p + 1), get_by_ival(@, p + 2)
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set_by_ival @, p + 3, result
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result, 4
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run = (ops) =>
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i = 1
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while i <= #@
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print "TAPE"
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s = ""
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for i, v in ipairs @
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s = s .. tostring(v) .. " "
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print s
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print "END TAPE"
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print #@
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print @[i], @[i + 1], @[i + 2], @[@[i + 1] + 1], @[@[i + 2] + 1], @[i + 3]
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result, jump = ops[@[i]](@, i)
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if result == EXIT
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print EXIT
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break
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i += math.max jump, 1
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@
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ops =
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[1]: binary_store_op (x, y) -> x + y
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[2]: binary_store_op (x, y) -> x * y
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[99]: -> EXIT, 1
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tape = build_tape input_for_day 2
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-- tape = build_tape "1,9,10,70,2,3,11,0,99,30,40,50"
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-- tape = build_tape "1,1,1,4,99,5,6,0,99"
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new_tape = run clone_tape(tape), ops
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print "Day 2, Part 1", new_tape[1]
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@ -1,16 +1,2 @@
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export input_for_day, reduce
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read_whole_file = =>
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f = assert io.open @, "rb"
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content = f\read "*all"
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f\close()
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content
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input_for_day = =>
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read_whole_file "input/#{@}.txt"
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reduce = (initial, f) =>
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acc = initial
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for e in @
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acc = f acc, e
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acc
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package.moonpath = "../lib/?.moon;" .. package.moonpath
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require "shared"
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1
2019/input/2.txt
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1
2019/input/2.txt
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@ -0,0 +1 @@
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1,12,2,3,1,1,2,3,1,3,4,3,1,5,0,3,2,10,1,19,1,19,5,23,1,23,9,27,2,27,6,31,1,31,6,35,2,35,9,39,1,6,39,43,2,10,43,47,1,47,9,51,1,51,6,55,1,55,6,59,2,59,10,63,1,6,63,67,2,6,67,71,1,71,5,75,2,13,75,79,1,10,79,83,1,5,83,87,2,87,10,91,1,5,91,95,2,95,6,99,1,99,6,103,2,103,6,107,2,107,9,111,1,111,5,115,1,115,6,119,2,6,119,123,1,5,123,127,1,127,13,131,1,2,131,135,1,135,10,0,99,2,14,0,0
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2019/intcode.moon
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44
2019/intcode.moon
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class Intcode
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from_tape: (tape) =>
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@tape = tape
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@ops = {
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[99]: -> EXIT, 1
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}
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new: (code) =>
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counter = 1
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tape = {}
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for n in code\gmatch "%d+"
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tape[counter] = tonumber n
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counter += 1
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@from_tape tape
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clone: (target) =>
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@from_tape {k,v for k,v in ipairs target.tape}
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deref: (n) => @tape[@tape[n] + 1]
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deref_set: (n, v) => @tape[@tape[n] + 1] = v
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binary_store_op: (f) ->
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(p) =>
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result = f get_by_ival(@, p + 1), get_by_ival(@, p + 2)
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set_by_ival @, p + 3, result
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result, 4
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run: (ops) =>
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i = 1
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while i <= #@tape
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print "TAPE"
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s = ""
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for i, v in ipairs @tape
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s = s .. tostring(v) .. " "
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print s
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print "END TAPE"
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print #@tape
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print @tape[i], @tape[i + 1], @tape[i + 2], @tape[@tape[i + 1] + 1], @tape[@tape[i + 2] + 1], @tape[i + 3]
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result, jump = ops[@tape[i]](@tape, i)
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if result == EXIT
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print EXIT
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break
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i += math.max jump, 1
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@
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24
lib/shared.moon
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24
lib/shared.moon
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@ -0,0 +1,24 @@
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export input_for_day, input_matcher, reduce
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read_whole_file = =>
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f = assert io.open @, "rb"
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content = f\read "*all"
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f\close()
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content
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input_for_day = =>
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read_whole_file "input/#{@}.txt"
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input_matcher = (pattern) =>
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contents = read_whole_file "input/#{@}.txt"
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contents\gmatch pattern
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reduce = (initial, f) =>
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acc = initial
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for e in @
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if "table" == type e
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acc = f acc, unpack e
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else
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acc = f acc, e
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acc
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