Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:21:6: warning: unused variable 'l' [-Wunused-variable]
int l,n,m,A,B,top,hid;
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:21:6: warning: unused variable 'l' [-Wunused-variable]
int l,n,m,A,B,top,hid;
^
