2018年8月2日
Harvest of Apples
摘要： 问题 B: Harvest of Apples 题目描述 There are n apples on a tree, numbered from 1 to n.Count the number of ways to pick at most m apples. 输入 The first line o 阅读全文
posted @ 2018-08-02 11:46 lglh 阅读(196) 评论(0) 推荐(0) 编辑