2015年8月5日
【poj2828】Buy Tickets 线段树 插队问题
摘要： 【poj2828】Buy TicketsDescriptionRailway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue... 阅读全文
posted @ 2015-08-05 11:39 meekyan 阅读(241) 评论(0) 推荐(0)