gistfile1.txt

num = 2017
int start(int num) 
{ 
    int count = 0; 
    while (num > 0) { 
        ++count; 
        num = (num - 1) & num; 
    } 
    return count; 
} 
} 
a)25
b)1
c)7
d)8

Ans) c