代码改变世界

我的理解：面试题single number

2014-12-27 19:52 by 唱歌的河马, 124 阅读, 0 推荐, 收藏,
摘要：leetcode原题：Given an array of integers, every element appearstwiceexcept for one. Find that single one. 为什么答案是result=0^a[0]^a[1]......^a[n-1]？ 答：无论按照... 阅读全文