摘要: http://www.lydsy.com/JudgeOnline/problem.php?id=1997 1997: [Hnoi2010]Planar Description Input Output Sample Input 2 6 9 1 4 1 5 1 6 2 4 2 5 2 6 3 4 3 阅读全文
posted @ 2017-03-19 22:06 知る奇迹に 阅读(236) 评论(0) 推荐(0) 编辑