运行 ID: 88793

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:5:5: error: ‘cin’ was not declared in this scope
     cin >> m >> n;  
     ^~~
Main.cc:5:5: note: suggested alternative: ‘main’
     cin >> m >> n;  
     ^~~
     main
Main.cc:6:2: error: ‘cout’ was not declared in this scope
  cout<