/in/foo.cc:26:46: error: ISO C++ forbids declaration of 'xg' with no type [-fpermissive]
   xg(string n,int q,int p,char g,char x,int l)
                                              ^
/in/foo.cc: In member function 'int stu::xg(std::__cxx11::string, int, int, char, char, int)':
/in/foo.cc:35:3: warning: no return statement in function returning non-void [-Wreturn-type]
   }
   ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:63:9: warning: unused variable 'j' [-Wunused-variable]
     int j = 0;
         ^