Find that single one.(linear runtime complexity0
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1 public class Solution { 2 public int singleNumber(int[] nums) { 3 4 int temp = 0; 5 for (int i=0;i<nums.length;i++) 6 { 7 temp = temp^nums[i]; 8 } 9 return temp;10 }11 }
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without using extra memory?
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