/in/foo.cc: In function 'int main()':
/in/foo.cc:7:13: error: 'ehdl' was not declared in this scope
     cout << ehdl <<"赫奇帕奇";
             ^~~~
/in/foo.cc:9:13: error: 'ehdl' was not declared in this scope
     cout << ehdl <<"拉文克劳";
             ^~~~
/in/foo.cc:11:13: error: 'ehdl' was not declared in this scope
     cout << ehdl <<"格兰芬多";
             ^~~~
/in/foo.cc:13:13: error: 'ehdl' was not declared in this scope
     cout << ehdl <<"拉文克劳";
             ^~~~