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
https://www.nowcoder.com/practice/1b46eb4cf3fa49b9965ac3c2c1caf5ad
#include <iostream> using namespace std; int main() { int n; while(cin >> n){ int tot = 0; while(n) { int a = n%2; if(a) tot++; n/=2; } cout << tot <<endl; } return 0; }