while (true) {    string feedback;
    command = ...;   
    cout << command << endl;    cin >> feedback;  
    if (all_explored) {         cout << "END" << endl;        cout << n << " " << m << endl;        for (int i = 0; i < n; i++) {            for (int j = 0; j < m; j++) {                cout << map[i][j];            }            cout << endl;        } break; //    } else {        ...  //     }
}