計算9999的二進制中含有多少個1

print?// 求數字的二進制含有多少個1.cpp : Defines the entry point for the console application.  
//  
 
#include "stdafx.h"  
#include <stdio.h>  
int func(int num) 
{ 
int countx = 0; 
while (num) 
{ 
countx ++; 
num = num&(num-1); 
} 
return countx; 
} 
int _tmain(int argc, _TCHAR* argv[]) 
{ 
    int num=9999; 
    int count=func(9999); 
    printf("%d",count); 
    getchar(); 
    return 0; 
} 

// 求數字的二進制含有多少個1.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <stdio.h>
int func(int num)
{
int countx = 0;
while (num)
{
countx ++;
num = num&(num-1);
}
return countx;
}
int _tmain(int argc, _TCHAR* argv[])
{
 int num=9999;
 int count=func(9999);
 printf("%d",count);
 getchar();
 return 0;
}