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langs a-z

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Ingy döt Net 2013-04-10 22:43:41 -07:00
parent db842d013d
commit d066446780
11389 changed files with 98361 additions and 1020 deletions
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18
Task/Greatest-subsequential-sum/Standard-ML/greatest-subsequential-sum.ml Normal file
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@ -0,0 +1,18 @@
val maxsubseq = let
fun loop (_, _, maxsum, maxseq) [] = (maxsum, rev maxseq)
| loop (sum, seq, maxsum, maxseq) (x::xs) = let
val sum = sum + x
val seq = x :: seq
in
if sum < 0 then
loop (0, [], maxsum, maxseq) xs
else if sum > maxsum then
loop (sum, seq, sum, seq) xs
else
loop (sum, seq, maxsum, maxseq) xs
end
in
loop (0, [], 0, [])
end;
maxsubseq [~1, ~2, 3, 5, 6, ~2, ~1, 4, ~4, 2, ~1]