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2014年5月3日
codeforces --- Round #244 (Div. 2) A. Police Recruits
摘要： A. Police RecruitsThe police department of your city has just started its journey. Initially, they don’t have any manpower. So, they started hiring ne... 阅读全文
posted @ 2014-05-03 21:36 北岛知寒 阅读(289) 评论(0) 推荐(0) 编辑
线段树 --- (区间维护+逆推)
摘要： Buy TicketsTime Limit:4000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u DescriptionRailway tickets were difficult to buy around the Lunar New ... 阅读全文
posted @ 2014-05-03 19:17 北岛知寒 阅读(138) 评论(0) 推荐(0) 编辑
线段数 --- (单点更新、求逆序对)
摘要： Minimum Inversion Number Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Description The inversion number of a given number seque... 阅读全文
posted @ 2014-05-03 18:47 北岛知寒 阅读(222) 评论(0) 推荐(0) 编辑
线段树 --- (单点更新、区间求和、模板题)
摘要： A - 敌兵布阵 Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Description C国的死对头A国这段时间正在进行军事演习，所以C国间谍头子Derek和他手下Tidy又开始忙乎了。A国在海岸线沿直线布置... 阅读全文
posted @ 2014-05-03 18:30 北岛知寒 阅读(253) 评论(0) 推荐(0) 编辑