20 lines
496 B
Plaintext
20 lines
496 B
Plaintext
func maxsubseq(*a) {
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var (start, end, sum, maxsum) = (-1, -1, 0, 0)
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a.each_kv { |i, x|
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sum += x
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if (maxsum < sum) {
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maxsum = sum
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end = i
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}
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elsif (sum < 0) {
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sum = 0
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start = i
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}
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}
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a.slice(start+1).first(end-start)
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}
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say maxsubseq(-1, -2, 3, 5, 6, -2, -1, 4, -4, 2, -1)
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say maxsubseq(-2, -2, -1, 3, 5, 6, -1, 4, -4, 2, -1)
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say maxsubseq(-2, -2, -1, -3, -5, -6, -1, -4, -4, -2, -1)
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