C
求int型正整数在内存中存储时1的个数
http://www.nowcoder.com/questionTerminal/440f16e490a0404786865e99c6ad91c9
include<stdio.h>
int main()
{
int n;
int count=0;
scanf("%d",&n);
while(n>0){
if(n%2==1){
count++;
}
n=n/2;
}
printf("%d",count);
return 0;
}