func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MAX = 10001;   void solve() {}   int main() {     int a, b, c;     while (cin >> a >> b >> c) {       int t = a * c;       for (int i = 0; i <= 1005 * 1005; i++) {         if (b * i + c * b >= a * c) {           cout << i << endl;           break;         }       }     }     fclose(stdin);     fclose(stdout);     return 0;   }   