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Sep 16, 2019 at 6:30 comment added rcgldr Permutations may be tricky to do iteratively, but a common iterative approach for "next permutation" involves using an array, not anything that resembles a stack.
Jan 11, 2018 at 23:22 history edited Ben I. CC BY-SA 3.0
Fixed the bad, bad word.
Jan 10, 2018 at 5:44 comment added Wildcard I think you've got it. Actually, that's the only example on this page (so far) that can't be answered with just, "Okay, so what? That's just as easy or easier without any recursion."
Jan 9, 2018 at 21:40 history answered Ben I. CC BY-SA 3.0