【LeetCode】267.Palindrome Permutation II(Medium)解题报告
题目地址:https://leetcode.com/problems/palindrome-permutation-ii/
题目描述:
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 [].
Solution:
Date:2018年1月30日