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add day6, day4 inputs

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Bryce Allen 4 years ago
parent 1ee4b530ad
commit 568fb62cdf
5 changed files with 698 additions and 0 deletions
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601
day4input.txt
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93,49,16,88,4,92,23,38,44,98,97,8,5,69,41,70,19,11,29,40,90,43,79,96,68,10,31,35,34,32,0,67,83,33,2,76,24,87,99,77,82,66,12,15,28,59,64,95,91,71,62,22,53,46,39,81,75,86,74,56,50,18,17,73,13,54,60,48,21,51,52,55,85,80,30,36,47,3,26,57,84,25,63,27,37,94,7,45,58,9,78,65,72,6,14,61,20,1,42,89
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19
day4test.txt
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7,4,9,5,11,17,23,2,0,14,21,24,10,16,13,6,15,25,12,22,18,20,8,19,3,26,1
22 13 17 11 0
8 2 23 4 24
21 9 14 16 7
6 10 3 18 5
1 12 20 15 19
3 15 0 2 22
9 18 13 17 5
19 8 7 25 23
20 11 10 24 4
14 21 16 12 6
14 21 17 24 4
10 16 15 9 19
18 8 23 26 20
22 11 13 6 5
2 0 12 3 7

76
day6.jl
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#!/usr/bin/env julia
using DelimitedFiles
infile = size(ARGS, 1) > 0 ? ARGS[1] : "day6input.txt"
println("infile = ", infile)
fish = vec(readdlm(infile, ',', Int))
function simulate_lanternfish(fish, days)
fish = copy(fish)
for day in 1:days
newfish = 0
for i in 1:length(fish)
fish[i] -= 1
if fish[i] < 0
fish[i] = 6
newfish += 1
end
end
append!(fish, repeat([8], newfish))
end
return fish
end
fish18 = simulate_lanternfish(fish, 18)
fish80 = simulate_lanternfish(fish18, 80-18)
println("18 : ", length(fish18))
println("80 : ", length(fish80))
using OffsetArrays
function simulate2(fish, days)
fish_map = OffsetVector(zeros(Int, 9), 0:8)
for i in 1:length(fish)
fish_map[fish[i]] += 1
end
for day in 1:days
add_next = 0
for c in 8:-1:0
tmp = fish_map[c]
fish_map[c] = add_next
add_next = tmp
end
fish_map[8] = add_next
fish_map[6] += add_next
end
return sum(fish_map)
end
function simulate3(fish, days)
fish_map = zeros(Int, 9)
for i in 1:length(fish)
fish_map[fish[i]+1] += 1
end
for day in 1:days
fish_map = circshift(fish_map, -1)
fish_map[7] += fish_map[9]
end
return sum(fish_map)
end
println("18 : ", simulate2(fish, 18))
println("80 : ", simulate2(fish, 80))
println("256: ", simulate2(fish, 256))
println("18 : ", simulate3(fish, 18))
println("80 : ", simulate3(fish, 80))
println("256: ", simulate3(fish, 256))
using BenchmarkTools
@btime simulate2(fish, 256)
@btime simulate3(fish, 256)

1
day6input.txt
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1,3,4,1,1,1,1,1,1,1,1,2,2,1,4,2,4,1,1,1,1,1,5,4,1,1,2,1,1,1,1,4,1,1,1,4,4,1,1,1,1,1,1,1,2,4,1,3,1,1,2,1,2,1,1,4,1,1,1,4,3,1,3,1,5,1,1,3,4,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,1,5,2,5,5,3,2,1,5,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,5,1,1,1,1,5,1,1,1,1,1,4,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,3,1,2,4,1,5,5,1,1,5,3,4,4,4,1,1,1,2,1,1,1,1,1,1,2,1,1,1,1,1,1,5,3,1,4,1,1,2,2,1,2,2,5,1,1,1,2,1,1,1,1,3,4,5,1,2,1,1,1,1,1,5,2,1,1,1,1,1,1,5,1,1,1,1,1,1,1,5,1,4,1,5,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,5,4,5,1,1,1,1,1,1,1,5,1,1,3,1,1,1,3,1,4,2,1,5,1,3,5,5,2,1,3,1,1,1,1,1,3,1,3,1,1,2,4,3,1,4,2,2,1,1,1,1,1,1,1,5,2,1,1,1,2

1
day6test.txt
Unescape View File

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3,4,3,1,2
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