CareerCup

#include<stdio.h>
#include<conio.h>
int main()
{
int count=0;
int x=6;
for(int i=0;i<8;i++)
{
count+=(x%2==0)?0:1;
x=x/2;
}
printf("COUNT :%d",count);
getch();
return 0;
}

int setbitcount(unsigned int u) {
int count = 0;
for(; u; u &= u-1)
count++;
return count;
}

assume number as num

count =0;
while(num != 0)
{
 count += num&1;
 num >>>= 1; 
}