运行 ID: 129474

Main.cc:1:1: error: ‘include’ does not name a type; did you mean ‘__has_include’?
 include
 ^~~~~~~
 __has_include
Main.cc: In function ‘int main()’:
Main.cc:15:1: error: ‘cin’ was not declared in this scope
 cin >> a >> b;
 ^~~
Main.cc:15:1: note: suggested alternative: ‘main’
 cin >> a >> b;
 ^~~
 main
Main.cc:17:1: error: ‘cout’ was not declared in this scope
 cout << qsq(a, b) <<" ";
 ^~~~
Main.cc:18:14: error: ‘endl’ was not declared in this scope
 cout << x << endl;
              ^~~~
Main.cc:18:14: note: suggested alternative: ‘enum’
 cout << x << endl;
              ^~~~
              enum