2017年2月28日
[codeforces494B]Obsessive String
摘要： [codeforces494B]Obsessive String 试题描述 Hamed has recently found a string t and suddenly became quite fond of it. He spent several days trying to find a 阅读全文
posted @ 2017-02-28 20:40 xjr01 阅读(451) 评论(0) 推荐(0)