2019年8月2日
hdu 6406 Taotao Picks Apples （线段树）
摘要： Problem Description There is an apple tree in front of Taotao's house. When autumn comes, n apples on the tree ripen, and Taotao will go to pick these 阅读全文
posted @ 2019-08-02 13:04 mool 阅读(195) 评论(0) 推荐(0) 编辑