2014年8月7日
poj-----(2828)Buy Tickets(线段树单点更新)
摘要： Buy TicketsTime Limit:4000MSMemory Limit:65536KTotal Submissions:12930Accepted:6412DescriptionRailway tickets were difficult to buy around the Lunar N... 阅读全文
posted @ 2014-08-07 11:50 龚细军 阅读(295) 评论(0) 推荐(0)