Zonal Computing Olympiad is round 1 out of 3 (i.e. beginner) for selection into Indian IOI team.
EDIT: I recommend you skip this problem. Reason stated in replies.
EDIT 2: Do NOT skip this problem. Test cases have been fixed!
Zonal Computing Olympiad is round 1 out of 3 (i.e. beginner) for selection into Indian IOI team.
EDIT: I recommend you skip this problem. Reason stated in replies.
EDIT 2: Do NOT skip this problem. Test cases have been fixed!