题解 | #查找输入整数二进制中1的个数#
查找输入整数二进制中1的个数
http://www.nowcoder.com/practice/1b46eb4cf3fa49b9965ac3c2c1caf5ad
#include <iostream> using namespace std; int main() { int a; while(cin>>a) { int iCount = 0; while(a!=0) { if(a & 1 == 1) iCount++; a /= 2; } cout << iCount << endl; } return 0; }