In this article, we'll look at how to create permutations of an array. First, we'll define what a permutation is. Second, we'll look at some constraints. And third, we'll look at three ways to ...

To generate all distinct permutations of a (half of) string, use a similar approach from: Permutations II or Next Permutation. * After the swapping has been done, it makes another call to permute but ...