2019年1月24日
甲级1008 Elevator
摘要： 1008 Elevator （20 分） The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at 阅读全文
posted @ 2019-01-24 15:13 囧YY 阅读(180) 评论(0) 推荐(0)
甲级1004 Counting Leaves
摘要： 1004 Counting Leaves （30 分） A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. I 阅读全文
posted @ 2019-01-24 14:39 囧YY 阅读(102) 评论(0) 推荐(0)