24 lines
606 B
Julia
24 lines
606 B
Julia
const equations::Vector{Vector{Int}} = [ map(x -> parse(Int, x), split(line, Regex("[:\\s]+"))) for line in readlines("input/7") ]
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partOne, partTwo = 0, 0
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concat(a::Number, b::Number) = a * 10^ndigits(b) + b
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for (target,nums) in Iterators.peel.(equations)
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nums = collect(nums)
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function testCase(funcs::Tuple, p = 1, sum = 0)::Bool
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if p > length(nums)
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return sum == target
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end
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return any(testCase(funcs, p+1, fn(sum, nums[p])) for fn in funcs)
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end
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if testCase((+, *))
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global partOne += target
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end
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if testCase((+, *, concat))
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global partTwo += target
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end
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end
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@show partOne, partTwo
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