2013年9月20日
摘要: 树状数组求逆序数的应用: JapanTime Limit:1000MSMemory Limit:65536KTotal Submissions:17874Accepted:4819DescriptionJapan plans to welcome the ACM ICPC World Finals and a lot of roads must be built for the venue. Japan is tall island with N cities on the... 阅读全文
posted @ 2013-09-20 15:11 keephungry 阅读(232) 评论(0) 推荐(0)