/in/foo.cc: In function 'int main()':
/in/foo.cc:79:11: warning: unused variable 'j' [-Wunused-variable]
     int i,j,k,p,q,x,y,z,ans=1;
           ^
/in/foo.cc:79:13: warning: unused variable 'k' [-Wunused-variable]
     int i,j,k,p,q,x,y,z,ans=1;
             ^
/in/foo.cc:79:15: warning: unused variable 'p' [-Wunused-variable]
     int i,j,k,p,q,x,y,z,ans=1;
               ^
/in/foo.cc:79:17: warning: unused variable 'q' [-Wunused-variable]
     int i,j,k,p,q,x,y,z,ans=1;
                 ^
/in/foo.cc:79:23: warning: unused variable 'z' [-Wunused-variable]
     int i,j,k,p,q,x,y,z,ans=1;
                       ^