Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:42:15: warning: unused variable 'wis' [-Wunused-variable]
int lst=0,wis;
^~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:42:15: warning: unused variable 'wis' [-Wunused-variable]
int lst=0,wis;
^~~
