func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     while (~scanf( %d , &n)) {       int cnt = 1;       while (n != 1) {         if (n % 2 != 0) cnt++;         n /= 2;       }       printf( %d n , cnt);     }     return 0;   }   