摘要：
题目： Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array. For example,Given nums = [0, 阅读全文
摘要：
题目：Given a strings, return all the palindromic permutations (without duplicates) of it. Return an empty list if no palindromic permutation could be fo... 阅读全文