func_code_string: #include <bits/stdc++.h>   using namespace std;   int a, b, c[101], d, e, f, g;   int main() {     cin >> a >> b;     for (; d < a; d++) {       cin >> e;       c[e]++;       f = max(f, c[e]);       if (c[e] == 1) {         g++;       }     }     f = (f % b) ? (f / b + 1) * b : f;     cout << f * g - a;     return 0;   }   