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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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7
Task/Greatest-subsequential-sum/R/greatest-subsequential-sum-1.r Normal file
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max.subseq <- function(x) {
cumulative <- cumsum(x)
min.cumulative.so.far <- Reduce(min, cumulative, accumulate=TRUE)
end <- which.max(cumulative-min.cumulative.so.far)
begin <- which.min(c(0, cumulative[1:end]))
if (end >= begin) x[begin:end] else x[c()]
}

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Task/Greatest-subsequential-sum/R/greatest-subsequential-sum-2.r Normal file
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> max.subseq(c(-1, -2, 3, 5, 6, -2, -1, 4, -4, 2, -1))
[1] 3 5 6 -2 -1 4