/in/foo.cc: In function 'int main()':
/in/foo.cc:15:40: error: 'danaokongkong' was not declared in this scope
         if(a != "哈利波特" || b != danaokongkong)
                                        ^~~~~~~~~~~~~
/in/foo.cc: At global scope:
/in/foo.cc:20:2: error: expected unqualified-id before 'return'
  return 0;
  ^~~~~~
/in/foo.cc:21:1: error: expected declaration before '}' token
 }
 ^