2015年9月11日
codeforces 251A Points on Line(二分or单调队列)
摘要： DescriptionLittle Petya likes points a lot. Recently his mom has presented himnpoints lying on the lineOX. Now Petya is wondering in how many ways he ... 阅读全文
posted @ 2015-09-11 10:39 Howe_Young 阅读(622) 评论(0) 推荐(0)