Leetcode: Palindrome Permutation II

Palindrome Permutation II

Similar Problems:

Given a string s, return all the palindromic permutations (without duplicates) of it. Return an empty list if no palindromic permutation could be form.

For example:

Given s = "aabb", return ["abba", "baab"].

Given s = "abc", return [].

Github: code.dennyzhang.com

Credits To: leetcode.com

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