2016年5月24日
POJ 3321 Apple Tree 线段树
摘要： 题意/Description： There is an apple tree outside of kaka's house. Every autumn, a lot of apples will grow in the tree. Kaka likes apple very much, so he 阅读全文
posted @ 2016-05-24 17:33 猪都哭了 阅读(178) 评论(0) 推荐(0)