136. Single Number

Given an array of integers, every element appears twice except for one. Find that single one.

题目含义：给定的数组中，每个数字出现两次，只有一个数字出现了一次，找出这个数字

1     public int singleNumber(int[] nums) {
2         int result = 0;
3         for (int i = 0; i < nums.length; i++) {
4             result ^= nums[i];
5         }
6         return result;
7     }

转载于:https://www.cnblogs.com/wzj4858/p/7719023.html

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