Wrong Answer
/in/foo.cc: In function 'int w33ha()':
/in/foo.cc:23:17: warning: unused variable 'res' [-Wunused-variable]
int ans=INF,res=-1;
^~~
/in/foo.cc: In function 'int w33ha()':
/in/foo.cc:23:17: warning: unused variable 'res' [-Wunused-variable]
int ans=INF,res=-1;
^~~
