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| -rw-r--r-- | AoC2023/day01/solver.jl | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/AoC2023/day01/solver.jl b/AoC2023/day01/solver.jl new file mode 100644 index 0000000..faedc7b --- /dev/null +++ b/AoC2023/day01/solver.jl @@ -0,0 +1,25 @@ +using Test + +function captures(pat, str) + [m[1] for m in eachmatch(pat, str)] +end + +function f(x) + if x in n + string(findfirst(isequal(x), n)) + else + x + end +end + +join_first_last(digits)=parse(Int, digits[1] * digits[end]) + +n = split("one two three four five six seven eight nine") +p = Regex("(?=(" * join(n, "|") * "|\\d))") + +solve(pat, file) = map(x-> f.(captures(pat, x)) |> join_first_last, eachline(file)) |> sum + +@testset "solutions" begin + @test solve(r"(\d)","input") == 55172 + @test solve(p, "input") == 54925 +end |