func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       double n, m, k;       cin >> n >> m >> k;       if (m == 0)         cout << 0 << endl;       else if (n / k >= m) {         cout << (int)m << endl;       } else {         double zz = (m - (n / k));         int tt;         tt = ceil(zz / (k - 1));         cout <<    << (int)(n / k) - tt << endl;       }     }   }   