/in/foo.cc: In function 'int cq(int)':
/in/foo.cc:16:1: error: a function-definition is not allowed here before '{' token
 {
 ^
/in/foo.cc:8:8: warning: unused variable 'j' [-Wunused-variable]
  int i,j,k,t=0;
        ^
/in/foo.cc:8:10: warning: unused variable 'k' [-Wunused-variable]
  int i,j,k,t=0;
          ^
/in/foo.cc:49:5: error: expected '}' at end of input
     }
     ^
/in/foo.cc:49:5: warning: no return statement in function returning non-void [-Wreturn-type]