Mã chấm: 268144

Main.cc:12:27: warning: missing terminating " character
     cout<<"tong= "<>A;
     ^~~
Main.cc:10:5: error: expected ‘;’ before ‘cin’
     cin>>B;
     ^~~
Main.cc:13:5: error: expected primary-expression before ‘return’
     return 0;
     ^~~~~~
Main.cc:5:9: warning: unused variable ‘A’ [-Wunused-variable]
     int A,B,X,Y;
         ^
Main.cc:5:11: warning: unused variable ‘B’ [-Wunused-variable]
     int A,B,X,Y;
           ^