Evanyou Blog 彩带
2018年8月15日
CF815C Karen and Supermarket [树形DP]
摘要： 题目传送门 Karen and Supermarket On the way home, Karen decided to stop by the supermarket to buy some groceries. She needs to buy a lot of goods, but sinc 阅读全文
posted @ 2018-08-15 15:51 HolseLee 阅读(240) 评论(0) 推荐(0) 编辑