Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:12:6: warning: unused variable 'xx' [-Wunused-variable]
int xx,l1,l2,l3;
^~
/in/foo.cc: In function 'int main()':
/in/foo.cc:12:6: warning: unused variable 'xx' [-Wunused-variable]
int xx,l1,l2,l3;
^~
