摘要: 题意:http://www.lydsy.com/JudgeOnline/problem.php?id=1023 求一棵仙人掌的直径 sol :orz YDC神犇 http://ydcydcy1.blog.163.com/blog/static/21608904020131493113160/ orz 阅读全文
posted @ 2017-02-24 11:37 Czarina 阅读(271) 评论(0) 推荐(0)