运行 ID: 63535

Main.cc: In function ‘int main()’:
Main.cc:6:10: error: ‘a’ was not declared in this scope
     cin>>a>>b>>c;
          ^
Main.cc:6:13: error: ‘b’ was not declared in this scope
     cin>>a>>b>>c;
             ^
Main.cc:6:16: error: ‘c’ was not declared in this scope
     cin>>a>>b>>c;
                ^