func_code_string: #include <bits/stdc++.h>   int main() {     int n, k, a[4] = {2, 3, 4, 5}, x, min = 250;     scanf( %d %d , &n, &k);     if (n * 5 == k || n * 3 == k || n * 4 == k) {       printf( 0 );       return 0;     }     for (int i = n; i >= 0; i--) {       x = i * 5;       if (x > k) continue;       for (int j = n; j >= 0; j--) {         x = i * 5 + j * 4;         if (x > k) continue;         for (int z = n; z >= 0; z--) {           x = i * 5 + j * 4 + z * 3;           if (x > k) continue;           for (int l = 0; l <= n; l++) {             x = i * 5 + j * 4 + z * 3 + l * 2;             if (x > k) break;             if (x == k && l < min && (i + j + z + l == n)) min = l;           }         }       }     }     printf( %d , min);     return 0;   }   