运行 ID: 51395

Main.cc: In function ‘int main()’:
Main.cc:5:11: error: expected initializer before ‘B’
     int A B;
           ^
Main.cc:8:10: error: ‘A’ was not declared in this scope
     cin>>A>>B;
          ^
Main.cc:8:13: error: ‘B’ was not declared in this scope
     cin>>A>>B;
             ^