2016年6月14日
Priest John's Busiest Day poj 3683 tarjan+2-SAT
摘要： 题意/Description: John is the only priest in his town. September 1st is the John's busiest day in a year because there is an old legend in the town that 阅读全文
posted @ 2016-06-14 17:35 猪都哭了 阅读(123) 评论(0) 推荐(0)