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| -rw-r--r-- | AoC2022/04/solver.jl | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/AoC2022/04/solver.jl b/AoC2022/04/solver.jl new file mode 100644 index 0000000..0f512ae --- /dev/null +++ b/AoC2022/04/solver.jl @@ -0,0 +1,15 @@ + +using Test + +subinterval(a0, a1, b0, b1) = a0<= b0 && a1 >= b1 +subcontained(a0, a1, b0, b1) = subinterval(a0, a1, b0, b1) || subinterval(b0, b1, a0, a1) +overlap(a0, a1, b0, b1) = a0 <= b1 && b0 <= a1 + +data = open("input") do f + map(l-> parse.(Int, l), eachsplit.(eachsplit(read(f,String)), r"[,-]")) +end + +@testset "solutions" begin + @test map(l-> subcontained(l...) ,data) |>sum == 515 + @test map(l-> overlap(l...) ,data) |>sum == 883 +end |