/in/foo.cc: In function 'void df(int)':
/in/foo.cc:8:11: warning: unused variable 't' [-Wunused-variable]
     int i,t,q;
           ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:36:13: error: expected '}' at end of input
     return 0;
             ^