Bad Hair Day Time Limit:?2000MS?Memory Limit:?65536KTotal Submissions:?20834?Accepted:?7120 Description
Some of Farmer John's?N?cows (1 ≤?N?≤ 80,000) are having a bad hair day! Since each cow is self-conscious about her messy hairstyle, FJ wants to
时间:2023-11-18 | 阅读:23