/in/foo.cc:5:8: warning: missing terminating " character
  int a="麻瓜”
        ^
/in/foo.cc:5:8: error: missing terminating " character
  int a="麻瓜”
        ^~~~~~~~~~
/in/foo.cc:6:14: error: stray '\357' in program
     cout << a；
              ^
/in/foo.cc:6:15: error: stray '\274' in program
     cout << a；
               ^
/in/foo.cc:6:16: error: stray '\233' in program
     cout << a；
                ^
/in/foo.cc:7:11: error: stray '\357' in program
   return 0；
           ^
/in/foo.cc:7:12: error: stray '\274' in program
   return 0；
            ^
/in/foo.cc:7:13: error: stray '\233' in program
   return 0；
             ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:5: error: 'cout' was not declared in this scope
     cout << a；
     ^~~~