Permutations/Rank of a permutation: Difference between revisions
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m (→{{header|REXX}}: added/changed comments and whitespace, used a template for output, changed wording in the REXX section header, changed program to also show a particular permutation rank.) |
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a[first] = a[last] |
a[first] = a[last] |
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a[last] = temp |
a[last] = temp |
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first |
first = first + 1 |
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last |
last = last - 1 |
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end |
end |
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</lang> |
</lang> |
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