2019年4月2日
最长上升序列，首尾连接
摘要： Each day in Berland consists of nn hours. Polycarp likes time management. That's why he has a fixed schedule for each day — it is a sequence a1,a2,…,a 阅读全文
posted @ 2019-04-02 18:52 蓉~ 阅读(154) 评论(0) 推荐(0) 编辑