运行 ID: 71107

Main.cc: In function ‘int main()’:
Main.cc:22:5: error: ‘cin’ was not declared in this scope
     cin >> a >> b;
     ^~~
Main.cc:22:5: note: suggested alternative: ‘main’
     cin >> a >> b;
     ^~~
     main
Main.cc:26:5: error: ‘cout’ was not declared in this scope
     cout << weekdays[remainder] << endl;
     ^~~~
Main.cc:26:36: error: ‘endl’ was not declared in this scope
     cout << weekdays[remainder] << endl;
                                    ^~~~
Main.cc:26:36: note: suggested alternative: ‘enum’
     cout << weekdays[remainder] << endl;
                                    ^~~~
                                    enum