Permutations by swapping: Difference between revisions
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Alextretyak (talk | contribs) (Added 11l) |
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Line 35:
V i = L.index
I i % 2
new_items [+]= (0..item.len).map(i -> @item[0 .< i] [+] [@j] [+] @item[i
E
new_items [+]= (item.len..0).step(-1).map(i -> @item[0 .< i] [+] [@j] [+] @item[i
items = new_items
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