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 <cstdio>
int main(){
int num, cnt, sh, yu;
while(EOF != scanf("%d", &num)){
cnt = 0;
while(num != 0){
sh = num / 2;
yu = num - sh * 2;
num = sh;
if(yu == 1){
cnt++;
}
}
printf("%d\n", cnt);
}
return 0;
}