kZjPBD.jpg
2019年7月11日
[ACM-ICPC 2018 沈阳网络赛] G. Spare Tire （思维+容斥)
摘要： A sequence of integer \lbrace a_n \rbrace{an​} can be expressed as: \displaystyle a_n = \left\{ \begin{array}{lr} 0, & n=0\\ 2, & n=1\\ \frac{3a_{n-1} 阅读全文
posted @ 2019-07-11 19:19 Through_The_Night 阅读(283) 评论(0) 推荐(0)
[ACM-ICPC 2018 沈阳网络赛] D. Made In Heaven (k短路模板）
摘要： One day in the jail, F·F invites Jolyne Kujo (JOJO in brief) to play tennis with her. However, Pucci the father somehow knows it and wants to stop her 阅读全文
posted @ 2019-07-11 14:32 Through_The_Night 阅读(262) 评论(0) 推荐(0)
lct，半平面交，线性基，k短路
摘要： 。。 阅读全文
posted @ 2019-07-11 14:03 Through_The_Night 阅读(85) 评论(0) 推荐(0)