随笔分类 -  杂项-差分

Starting a Scenic Railroad Service（前缀和+差分）
摘要：Starting a Scenic Railroad Service 题目描述 Jim, working for a railroad company, is responsible for planning a new tourist train service. He is sure that 阅读全文
posted @ 2018-08-29 22:03 Acerkoo 阅读(522) 评论(0) 推荐(0)