cpp
求int型正整数在内存中存储时1的个数
http://www.nowcoder.com/questionTerminal/440f16e490a0404786865e99c6ad91c9
#include<iostream>
using namespace std;
int main()
{
int a;
cin>>a;
int count=0;
while(a!=0)
{
int b=a%2;
if(b!=0)
{
count++;
}
a=a/2;
}
cout<<count<<endl;
return 0;
}