Permutations/Rank of a permutation: Difference between revisions
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next |
next |
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func nextPermutation |
func nextPermutation(a) |
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elementcount = len(a) |
elementcount = len(a) |
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if elementcount < 1 then return ok |
if elementcount < 1 then return ok |
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permutationReverse(a, pos+1, elementcount) |
permutationReverse(a, pos+1, elementcount) |
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func permutationReverse |
func permutationReverse(a, first, last) |
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while first < last |
while first < last |
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temp = a[first] |
temp = a[first] |
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