func_code_string: #include <bits/stdc++.h>   int main() {     long long int t, sum, ar[32], n, c;     for (int i = 0; i <= 31; i++) {       ar[i] = pow(2, i);     }     scanf( %lld , &t);     for (int i = 0; i < t; i++) {       sum = 0, c = 0;       scanf( %lld , &n);       for (int i = 0; i < 31; i++) {         if (ar[i] <= n) {           c++;         }       }       for (int i = 0; i < c; i++) {         sum = sum + ar[i];       }       long long int final = 0;       final = ((n * (n + 1)) / 2) - (2 * sum);       printf( %lld n , final);     }   }   