public class Leetcode137 { public int Single_Number(int E[],int n) { int[] bin = new int[32]; int ans = 0; for(int i = 0; i < 32; i++) { for(int j = 0; i < n; i++) { bin[i] += ((E[j]>>i)&1); bin[i] = bin[i]%3; } } } }
原文：http://www.cnblogs.com/zhangmingzhao/p/7277217.html