int NumberOf1(int n ) {
// write code here
int count =0 ;
while(n)
{
count++;
n=(n-1)&n;
}
return count;
}
int NumberOf1(int n ) {
// write code here
int count =0 ;
while(n)
{
count++;
n=(n-1)&n;
}
return count;
}