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 sreach1(int num)
{
int count=0;
while(num)
{
count++;
num=num&(num-1);
}
return count;
}
int main() {
int num;
while (cin >>num) {
cout<<sreach1(num)<<endl;
}
}
