2019年7月24日
Harmonious Army
摘要： Harmonious Army 题目描述 Now, Bob is playing an interesting game in which he is a general of a harmonious army. There are n soldiers in this army. Each so 阅读全文
posted @ 2019-07-24 20:55 1371767389 阅读(367) 评论(2) 推荐(0)
Operation
摘要： Operation 题目描述 There is an integer sequence a of length n and there are two kinds of operations:0 l r: select some numbers from al...ar so that their 阅读全文
posted @ 2019-07-24 10:48 1371767389 阅读(861) 评论(0) 推荐(0)