[leetcode]Single Number II @ Python
原题地址：http://oj.leetcode.com/problems/single-number-ii/ 题意：Given an array of integers, every element appears three times except for one. Find ...
原文：[leetcode]Single Number @ Python
原题地址：http: www.cnblogs.com x p .html 题意：Given an array of integers, every element appearstwiceexcept for one. Find that single one. 要求：线性时间复杂度，并且不用额外空间。 解题思路：这题考的是位操作。只需要使用异或 xor 操作就可以解决问题。异或操作的定义为：x ...
2014-05-09 20:23 0 4241 推荐指数：
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