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
//位运算，注意会有多组输入
#include<stdio.h>
int main(){
int n = 0;
while(scanf("%d\n",&n)!=EOF){
int count = 0;
while(n){
if(n&0x1) count++;
n = n >>1;
}
printf("%d\n",count);
}
return 0;
}