2013年12月21日
Apple Tree 有时间戳的树状数组
摘要： Problem DescriptionThere 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 has been carefully nurturing the big apple tree.The tree has N forks which are connected by branches. Kaka numbers the forks by 1 to N and the 阅读全文
posted @ 2013-12-21 10:45 persistent codeants 阅读(266) 评论(0) 推荐(0)