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