protagonist
摘要: 9022: TeaTree 题目描述 Recently, TeaTree acquire new knoledge gcd (Greatest Common Divisor), now she want to test you.As we know, TeaTree is a tree and he 阅读全文
posted @ 2019-08-25 21:41 czy-power 阅读(293) 评论(0) 推荐(0) 编辑