aoc/2022/04/part-two.jl


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#!/usr/bin/env julia
function overlapping(line)
  (a, b), (c, d) = map(r -> map(i -> parse(Int16, i),
                                split(r, '-')),
                       split(line, ','))
  !(b < c || d < a)
end
println(sum(map(overlapping, readlines(stdin))))