func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       long long int x, y, k;       cin >> x >> y >> k;       long long int tot = y * k + k;       if (x >= tot) {         cout << 1 + k << endl;         continue;       } else if (x == 2) {         cout << tot - 1 + k << endl;       } else {         if ((tot - x) % (x - 1) != 0) {           cout << ((tot - x) / (x - 1)) + 2 + k << endl;         } else {           cout << ((tot - x) / (x - 1)) + 1 + k << endl;         }       }     }     return 0;   }   