[Day 2] Add solution

README.md

@@ -11,7 +11,7 @@ This Julia package contains my solutions for [Advent of Code 2023](https://adven
 | Day | Problem | Time | Allocated memory | Source |
 |----:|:-------:|-----:|-----------------:|:------:|
 | 1 | [:white_check_mark:](https://adventofcode.com/2023/day/1) | 2.304 ms | 3.00 MiB | [:white_check_mark:](https://github.com/goggle/AdventOfCode2023.jl/blob/master/src/day01.jl) |
-<!-- | 2 | [:white_check_mark:](https://adventofcode.com/2023/day/2) |  |  | [:white_check_mark:](https://github.com/goggle/AdventOfCode2023.jl/blob/master/src/day02.jl) | -->
+| 2 | [:white_check_mark:](https://adventofcode.com/2023/day/2) | 1.050 ms | 350.39 KiB | [:white_check_mark:](https://github.com/goggle/AdventOfCode2023.jl/blob/master/src/day02.jl) |
 <!-- | 3 | [:white_check_mark:](https://adventofcode.com/2023/day/3) |  |  | [:white_check_mark:](https://github.com/goggle/AdventOfCode2023.jl/blob/master/src/day03.jl) | -->
 <!-- | 4 | [:white_check_mark:](https://adventofcode.com/2023/day/4) |  |  | [:white_check_mark:](https://github.com/goggle/AdventOfCode2023.jl/blob/master/src/day04.jl) | -->
 <!-- | 5 | [:white_check_mark:](https://adventofcode.com/2023/day/5) |  |  | [:white_check_mark:](https://github.com/goggle/AdventOfCode2023.jl/blob/master/src/day05.jl) | -->

data/day02.txt

@@ -0,0 +1,100 @@
+Game 1: 1 green, 4 blue; 1 blue, 2 green, 1 red; 1 red, 1 green, 2 blue; 1 green, 1 red; 1 green; 1 green, 1 blue, 1 red
+Game 2: 2 blue, 2 red, 6 green; 1 red, 6 green, 7 blue; 10 green, 8 blue, 1 red; 2 green, 18 blue, 2 red; 14 blue, 3 green, 1 red; 8 green, 1 red, 9 blue
+Game 3: 6 green, 5 blue, 9 red; 4 blue, 1 green, 13 red; 9 green, 14 red, 1 blue
+Game 4: 14 green, 3 blue, 16 red; 20 red; 4 green, 2 red, 1 blue; 10 blue, 11 green, 18 red; 3 red, 3 blue, 6 green; 2 green, 18 red, 9 blue
+Game 5: 5 green, 4 blue; 1 red, 3 blue, 2 green; 4 green, 2 red, 15 blue; 11 blue, 8 green, 4 red; 4 red, 3 green; 4 red, 3 green, 7 blue
+Game 6: 6 blue, 10 green; 2 red, 6 green, 2 blue; 4 red, 4 blue, 1 green; 2 blue, 7 green, 2 red
+Game 7: 14 green, 3 red, 2 blue; 5 blue, 3 green, 2 red; 1 green, 3 blue
+Game 8: 7 red; 3 blue, 9 red, 1 green; 5 green, 5 blue, 7 red; 1 red, 2 blue
+Game 9: 3 green, 4 blue, 1 red; 3 blue, 12 green, 18 red; 7 green, 9 red, 8 blue; 2 blue, 10 red, 12 green; 4 blue, 1 red, 1 green; 4 blue, 6 green, 6 red
+Game 10: 2 blue, 4 green, 2 red; 7 green, 4 red; 5 red, 8 green
+Game 11: 1 blue, 10 green, 15 red; 1 blue, 2 green, 2 red; 5 green, 10 blue, 8 red; 13 red, 7 blue; 1 red, 9 green, 4 blue; 9 blue, 9 red, 8 green
+Game 12: 1 green, 10 red, 3 blue; 14 red, 1 green, 4 blue; 6 red, 3 green, 12 blue; 13 blue, 1 green, 18 red; 4 green, 14 red, 7 blue
+Game 13: 1 red, 3 green; 2 green, 1 red, 5 blue; 1 blue; 1 green, 7 blue, 1 red; 1 red, 2 green, 7 blue
+Game 14: 7 blue, 9 red, 1 green; 8 red, 2 blue; 11 red, 18 blue, 4 green; 2 blue, 3 green, 1 red; 1 green, 8 red, 9 blue; 2 blue, 8 red, 1 green
+Game 15: 8 blue, 3 green, 15 red; 13 red, 10 blue; 2 red
+Game 16: 1 green, 1 red; 1 blue, 2 green, 2 red; 1 blue, 4 red, 1 green; 3 green; 2 blue, 3 green, 4 red
+Game 17: 1 green, 3 red, 14 blue; 1 red, 2 blue, 2 green; 3 red
+Game 18: 1 red, 2 green, 8 blue; 2 blue, 14 red; 4 blue, 2 red, 2 green; 6 red
+Game 19: 2 red, 11 blue, 18 green; 3 red, 6 green, 3 blue; 7 green, 1 red, 10 blue
+Game 20: 10 red, 1 blue, 4 green; 4 green, 3 blue; 10 green, 13 red, 4 blue; 2 red, 7 green; 4 red, 3 blue, 5 green; 13 red, 1 green, 4 blue
+Game 21: 20 red, 4 green, 5 blue; 10 red, 11 green, 4 blue; 1 red, 8 blue, 14 green; 11 green, 8 blue, 15 red; 8 blue, 2 green, 13 red
+Game 22: 2 red, 11 blue, 4 green; 1 blue, 3 red, 6 green; 6 green, 1 red, 1 blue; 4 green, 7 blue, 3 red; 11 blue, 6 green, 4 red
+Game 23: 6 green, 3 red, 1 blue; 17 green, 11 red; 1 red, 2 blue, 13 green; 13 green, 19 red
+Game 24: 1 blue; 12 red, 1 blue; 1 red; 12 red, 1 green, 1 blue; 11 red, 1 blue; 12 red, 1 green
+Game 25: 12 blue, 6 red, 3 green; 8 green, 14 blue; 11 green, 5 blue, 6 red; 4 red, 12 blue, 8 green
+Game 26: 15 red, 13 green, 9 blue; 9 blue, 8 green, 7 red; 2 green, 6 red, 3 blue; 1 blue, 7 red, 3 green; 13 blue, 4 green, 18 red
+Game 27: 9 blue, 5 red; 15 red, 12 blue, 3 green; 12 red, 12 blue, 1 green
+Game 28: 18 red, 4 green; 4 green, 6 red; 1 blue, 6 green, 19 red; 9 green, 17 red; 4 green, 5 blue, 18 red
+Game 29: 7 green, 6 red, 6 blue; 6 blue, 19 red, 4 green; 4 green, 4 blue, 13 red; 5 blue, 15 red, 10 green; 2 green, 6 blue, 5 red; 8 red, 10 green, 6 blue
+Game 30: 1 green, 13 red, 12 blue; 1 red, 2 blue; 11 blue, 1 red, 1 green
+Game 31: 8 green, 18 blue, 17 red; 4 red, 8 green, 6 blue; 9 blue, 7 green; 3 green, 1 blue, 12 red; 5 red, 10 blue, 11 green
+Game 32: 17 red, 17 green, 7 blue; 18 red, 16 green; 1 blue
+Game 33: 16 blue, 3 red; 9 blue, 1 red, 2 green; 3 green, 7 blue; 1 green, 4 red; 3 green, 1 red, 8 blue; 5 blue
+Game 34: 5 blue, 8 red, 1 green; 9 red, 10 blue, 7 green; 1 green, 14 blue; 8 blue, 4 red, 10 green; 15 blue, 8 green, 7 red; 2 red, 6 green, 3 blue
+Game 35: 13 red, 9 blue; 7 blue, 16 red, 10 green; 4 red, 6 blue; 3 blue, 12 green, 7 red; 8 blue, 6 red; 10 blue, 3 green, 2 red
+Game 36: 1 blue, 9 red, 2 green; 11 red, 3 blue, 2 green; 2 green, 6 red; 8 green, 11 red, 3 blue; 4 green, 7 blue, 11 red; 9 green, 8 red, 2 blue
+Game 37: 8 green, 3 blue, 4 red; 14 blue, 10 green, 3 red; 19 green, 2 blue, 7 red
+Game 38: 2 green, 3 red, 3 blue; 3 green, 9 red; 13 blue, 8 red; 6 red, 5 green, 13 blue
+Game 39: 8 red, 5 blue; 4 green, 5 blue, 3 red; 18 red, 2 green, 6 blue; 2 green, 5 blue, 17 red; 1 green, 2 red; 5 green, 6 blue
+Game 40: 12 red, 4 blue, 1 green; 11 green, 20 blue, 4 red; 10 blue, 4 red
+Game 41: 2 green, 2 blue; 2 red, 2 green; 2 green, 2 blue, 10 red
+Game 42: 6 green, 3 blue; 2 red, 2 green, 1 blue; 3 blue, 5 green, 6 red; 6 red; 1 blue, 6 green, 12 red
+Game 43: 1 blue, 4 green; 1 blue; 2 blue, 8 red, 2 green; 2 blue, 1 red, 4 green; 1 blue, 4 red, 4 green; 4 green, 7 red
+Game 44: 8 green, 9 red; 1 red, 2 blue, 13 green; 4 blue, 8 green, 17 red; 13 red, 13 green; 1 red, 9 green; 19 red, 3 green, 3 blue
+Game 45: 10 blue, 2 red, 1 green; 6 green, 5 red, 8 blue; 3 blue, 1 red; 4 green, 10 blue, 4 red
+Game 46: 3 red, 8 blue; 6 blue, 7 green, 6 red; 6 green, 1 blue, 7 red; 8 red, 1 green, 5 blue; 9 red, 12 blue, 10 green; 7 green, 5 red, 1 blue
+Game 47: 5 red; 2 blue, 2 green, 5 red; 3 green, 7 red; 14 red, 3 green, 2 blue
+Game 48: 7 blue, 12 green, 2 red; 11 green, 10 blue, 1 red; 1 red, 13 blue, 2 green; 14 green, 2 red, 9 blue; 2 red, 12 green, 3 blue; 2 red, 7 blue
+Game 49: 4 green, 5 blue; 9 blue; 10 blue, 5 green, 2 red; 10 blue, 2 red, 2 green; 1 red, 1 green, 4 blue; 2 blue
+Game 50: 2 red, 2 blue, 7 green; 7 red, 9 green, 3 blue; 5 red, 10 green
+Game 51: 15 red, 9 blue, 4 green; 5 red, 2 blue, 15 green; 4 blue, 3 green, 20 red; 12 green, 1 red, 10 blue; 10 green, 5 blue, 13 red; 9 red, 10 green, 11 blue
+Game 52: 3 blue, 12 green, 1 red; 6 green; 1 red, 8 green; 1 blue, 1 green, 1 red
+Game 53: 10 green, 7 red, 12 blue; 9 blue, 6 green, 2 red; 8 green, 5 blue, 5 red; 7 blue, 16 green, 11 red; 6 red, 8 blue, 13 green
+Game 54: 10 green, 6 blue, 3 red; 6 green, 2 red, 8 blue; 9 blue, 11 green, 2 red; 10 green, 1 blue, 3 red
+Game 55: 4 blue, 1 red; 3 red, 7 blue; 12 red, 4 green, 8 blue; 3 green, 5 blue, 1 red; 13 blue, 12 red, 1 green
+Game 56: 12 blue, 15 green; 1 green, 7 red, 11 blue; 5 green, 9 blue, 1 red; 8 red, 5 green, 6 blue
+Game 57: 4 green, 11 blue, 18 red; 14 blue, 14 red, 16 green; 7 red, 15 green, 3 blue; 18 red, 20 green, 8 blue; 12 blue, 9 red, 16 green
+Game 58: 10 blue, 9 green, 8 red; 13 green, 6 blue, 8 red; 8 green, 4 red; 4 blue, 1 red, 18 green; 7 red, 10 green, 10 blue; 15 blue, 10 green, 3 red
+Game 59: 17 green, 2 blue, 2 red; 2 blue, 1 red, 8 green; 14 green, 1 red, 1 blue; 15 green, 3 blue, 2 red; 2 blue, 8 green, 1 red; 1 blue, 1 red, 8 green
+Game 60: 1 green, 1 blue, 1 red; 4 blue, 3 red, 2 green; 13 green; 2 blue, 2 red, 8 green; 4 red, 12 green, 4 blue; 4 green, 4 blue, 4 red
+Game 61: 3 blue, 7 red; 5 blue, 8 red, 1 green; 1 blue, 8 red; 10 blue, 2 red, 1 green; 1 green, 5 blue, 2 red
+Game 62: 10 red, 2 green; 8 blue, 7 red, 2 green; 4 green, 2 blue, 10 red
+Game 63: 1 green, 3 blue, 5 red; 6 green, 5 blue, 2 red; 3 blue, 7 red
+Game 64: 6 red, 20 blue; 4 red, 3 blue, 2 green; 3 green, 19 blue, 6 red; 2 green, 6 blue, 3 red; 13 blue, 5 green, 5 red
+Game 65: 6 red, 9 blue, 20 green; 6 red, 16 green, 4 blue; 12 red, 6 green, 5 blue
+Game 66: 2 blue, 5 red, 4 green; 13 blue, 2 green; 1 green, 6 blue
+Game 67: 4 green, 5 blue, 2 red; 1 red, 14 blue, 6 green; 1 green, 14 red, 5 blue; 18 red, 16 blue; 15 blue, 8 red, 18 green; 1 green, 18 red, 6 blue
+Game 68: 1 blue, 9 red, 7 green; 7 red, 1 blue, 6 green; 5 green, 1 blue, 8 red
+Game 69: 12 green, 3 blue, 4 red; 9 green, 8 red, 7 blue; 4 blue, 5 red, 10 green; 4 red, 5 green, 7 blue; 9 green, 4 red, 2 blue; 3 green, 13 blue, 1 red
+Game 70: 9 red, 1 green, 8 blue; 11 green, 13 blue, 12 red; 3 blue, 5 green, 8 red; 1 red, 14 blue
+Game 71: 10 blue; 2 green, 8 blue, 9 red; 5 red, 1 blue
+Game 72: 3 green, 5 blue, 5 red; 1 blue, 1 red, 2 green; 4 red, 4 blue, 1 green; 5 blue, 4 red, 1 green; 6 blue, 3 green, 5 red; 5 blue, 1 red, 4 green
+Game 73: 3 red, 1 green, 1 blue; 7 green, 2 red, 1 blue; 2 green, 1 blue, 3 red; 1 red, 4 green, 1 blue; 3 red, 5 green
+Game 74: 5 blue, 1 red, 4 green; 3 red, 2 green; 4 red, 6 blue; 2 red, 2 blue; 1 green, 4 red, 8 blue; 5 blue, 4 red
+Game 75: 3 red, 5 blue, 3 green; 9 green, 6 blue, 7 red; 2 green, 3 red, 12 blue; 14 green, 4 blue, 10 red
+Game 76: 1 blue, 7 red, 1 green; 6 red, 1 blue, 2 green; 4 red, 2 green; 3 red, 1 blue; 16 red, 1 green
+Game 77: 3 red, 10 blue, 1 green; 4 red, 7 blue, 3 green; 7 blue, 6 green, 7 red; 5 green, 15 blue, 7 red; 12 green, 5 red
+Game 78: 6 red, 10 blue, 15 green; 6 green, 11 red, 4 blue; 6 blue, 8 red; 4 blue, 7 red, 2 green; 11 green, 7 red, 11 blue; 3 blue, 14 green, 6 red
+Game 79: 14 red, 6 green, 4 blue; 13 red, 6 blue; 6 red, 13 green, 4 blue
+Game 80: 8 red, 2 blue, 8 green; 6 red, 10 green, 4 blue; 3 red, 9 green; 2 green, 8 blue, 7 red; 7 blue, 3 red, 11 green; 1 red, 12 green, 8 blue
+Game 81: 9 red, 4 blue, 11 green; 1 blue, 4 red, 2 green; 5 red; 3 blue, 2 red, 2 green; 14 red, 12 green
+Game 82: 5 green; 2 blue; 2 red; 1 blue, 2 red, 11 green; 8 green, 2 red, 1 blue
+Game 83: 3 green, 7 red, 6 blue; 7 red, 7 green, 11 blue; 7 blue, 13 green, 7 red; 12 blue, 10 red, 2 green; 1 green, 11 red, 7 blue; 12 blue, 9 red, 9 green
+Game 84: 5 blue, 1 green; 16 green, 4 blue, 8 red; 7 red, 5 blue, 16 green
+Game 85: 9 green, 20 blue, 7 red; 19 blue, 14 red, 2 green; 10 green, 2 red, 10 blue
+Game 86: 1 green, 3 red, 5 blue; 9 red, 2 blue, 6 green; 8 green, 14 red, 3 blue; 18 green, 2 blue, 7 red; 2 blue, 10 red, 14 green; 17 green, 4 blue, 12 red
+Game 87: 4 green, 8 red, 13 blue; 7 red, 13 blue, 4 green; 1 green, 8 blue
+Game 88: 9 blue, 11 red; 5 green, 7 blue, 12 red; 10 red, 2 green, 1 blue; 2 blue, 5 red, 5 green; 7 red, 6 green, 9 blue; 1 green, 10 red, 5 blue
+Game 89: 7 red, 2 green, 1 blue; 1 blue, 2 green; 6 red, 1 green; 7 red, 1 blue; 3 green, 3 red
+Game 90: 8 blue, 2 red, 3 green; 9 green, 4 blue, 3 red; 7 green, 11 blue, 2 red; 13 green, 12 blue, 8 red; 10 blue, 2 green; 5 green, 1 red, 9 blue
+Game 91: 2 red, 2 green, 4 blue; 5 blue, 2 red, 16 green; 11 green; 3 blue, 2 red, 8 green; 4 green, 3 blue
+Game 92: 8 red, 12 blue, 3 green; 11 red, 10 blue, 6 green; 14 red, 8 green, 14 blue
+Game 93: 3 green, 2 red, 3 blue; 3 green, 3 red, 1 blue; 2 blue, 16 red, 3 green; 2 green; 5 green, 2 blue, 2 red
+Game 94: 5 red, 2 green; 9 red, 3 blue; 2 green, 2 blue, 5 red; 3 blue, 8 red, 2 green; 8 red, 1 blue, 1 green
+Game 95: 3 blue, 4 green, 7 red; 7 red, 1 green, 15 blue; 6 blue, 2 green, 7 red
+Game 96: 2 blue, 1 red, 6 green; 7 blue, 8 green; 1 red, 7 green; 2 green, 14 blue, 1 red; 3 blue, 1 red, 7 green; 4 blue, 11 green
+Game 97: 2 red, 9 blue, 8 green; 3 green, 5 blue; 6 green, 1 red, 9 blue; 2 red, 13 green, 1 blue; 2 green, 2 red, 2 blue
+Game 98: 2 blue, 1 green, 1 red; 4 blue, 5 red, 1 green; 4 blue, 3 red, 2 green
+Game 99: 17 red, 2 blue, 4 green; 4 green, 8 red, 6 blue; 5 red
+Game 100: 6 red, 4 green; 3 red, 2 blue, 9 green; 1 blue, 5 green, 14 red; 1 blue, 2 red, 2 green; 9 red, 1 blue, 14 green; 2 blue, 11 green, 8 red

src/AdventOfCode2023.jl

@@ -3,7 +3,7 @@ module AdventOfCode2023
 using BenchmarkTools
 using Printf
 
-solvedDays = 1:1
+solvedDays = 1:2
 # Include the source files:
 for day in solvedDays
     ds = @sprintf("%02d", day)

src/day02.jl

@@ -0,0 +1,62 @@
+module Day02
+
+using AdventOfCode2023
+
+
+function day02(input::String = readInput(joinpath(@__DIR__, "..", "data", "day02.txt")))
+    data = parse_input(input)
+    return [part1(data), part2(data)]
+end
+
+function parse_input(input)
+    data = Dict{Int, Vector{Tuple{Int,Int,Int}}}()
+    for line ∈ split(rstrip(input), "\n")
+        game, gdata = split(line, ":")
+        gameid = parse(Int, split(game, " ")[2])
+        v = Vector{Tuple{Int,Int,Int}}()
+        for round ∈ split(gdata, ";")
+            r = g = b = 0
+            numbers = findall(r"\d+", round)
+            colors = findall(r"red|green|blue", round)
+            for (n, c) ∈ zip(numbers, colors)
+                if round[c] == "red"
+                    r = parse(Int, round[n])
+                elseif round[c] == "green"
+                    g = parse(Int, round[n])
+                elseif round[c] == "blue"
+                    b = parse(Int, round[n])
+                end
+            end
+            push!(v, (r, g, b))
+        end
+        data[gameid] = v
+    end
+    return data
+end
+
+function part1(data::Dict{Int, Vector{Tuple{Int,Int,Int}}})
+    s = sum(keys(data))
+    rmax, gmax, bmax = 12, 13, 14
+    for (k, v) ∈ data
+        for (r, g, b) ∈ v
+            if r > rmax || g > gmax || b > bmax
+                s -= k
+                break
+            end
+        end
+    end
+    return s
+end
+
+function part2(data::Dict{Int, Vector{Tuple{Int,Int,Int}}})
+    s = 0
+    for (_, v) ∈ data
+        minr = maximum(x -> x[1], v)
+        ming = maximum(x -> x[2], v)
+        minb = maximum(x -> x[3], v)
+        s += minr * ming * minb
+    end
+    return s
+end
+
+end # module

test/runtests.jl

@@ -4,3 +4,13 @@ using Test
 @testset "Day 1" begin
     @test AdventOfCode2023.Day01.day01() == [54708, 54087]
 end
+
+@testset "Day 2" begin
+    sample = "Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green\n" *
+             "Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue\n" *
+             "Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red\n" *
+             "Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red\n" *
+             "Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green\n"
+    @test AdventOfCode2023.Day02.day02(sample) == [8, 2286]
+    @test AdventOfCode2023.Day02.day02() == [2486, 87984]
+end