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1303: [CQOI2009]中位数图Time Limit:1 SecMemory Limit:162 MBSubmit:1383Solved:902[Submit][Status]Description给出1~n的一个排列，统计该排列有多少个长度为奇数的连续子序列的中位数是b。中位数是指把所有元... 阅读全文
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1002: [FJOI2007]轮状病毒Time Limit:1 SecMemory Limit:162 MBSubmit:2609Solved:1450[Submit][Status]Description给定n(N0 do195 ... 阅读全文
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1050: [HAOI2006]旅行comfTime Limit:10 SecMemory Limit:162 MBSubmit:1495Solved:737[Submit][Status]Description给你一个无向图，N(Ny then max:=x else max:=y; 9 ... 阅读全文
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3732: NetworkTime Limit:10 SecMemory Limit:128 MBSubmit:395Solved:179[Submit][Status]Description给你N个点的无向图 (1 c[x] do x:=c[x]; 18 getfat:... 阅读全文
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1635: [Usaco2007 Jan]Tallest Cow 最高的牛Time Limit:5 SecMemory Limit:64 MBSubmit:383Solved:211[Submit][Status]DescriptionFJ's N (1 = h[a]Input* Line 1: F... 阅读全文
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1653: [Usaco2006 Feb]Backward Digit SumsTime Limit:5 SecMemory Limit:64 MBSubmit:285Solved:215[Submit][Status]DescriptionFJ and his cows enjoy playing... 阅读全文
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1643: [Usaco2007 Oct]Bessie's Secret Pasture 贝茜的秘密草坪Time Limit:5 SecMemory Limit:64 MBSubmit:268Solved:223[Submit][Status]Description农夫约翰已经从他的牧场中取得了数不... 阅读全文
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1619: [Usaco2008 Nov]Guarding the Farm 保卫牧场Time Limit:5 SecMemory Limit:64 MBSubmit:498Solved:223[Submit][Status]DescriptionThe farm has many hills up... 阅读全文
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1682: [Usaco2005 Mar]Out of Hay 干草危机Time Limit:5 SecMemory Limit:64 MBSubmit:391Solved:258[Submit][Status]DescriptionThe cows have run out of hay, a h... 阅读全文
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1637: [Usaco2007 Mar]Balanced LineupTime Limit:5 SecMemory Limit:64 MBSubmit:393Solved:263[Submit][Status]DescriptionFarmer John 决定给他的奶牛们照一张合影，他让 N (1... 阅读全文
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1624: [Usaco2008 Open] Clear And Present Danger 寻宝之路Time Limit:5 SecMemory Limit:64 MBSubmit:377Solved:269[Submit][Status]Description农夫约翰正驾驶一条小艇在牛勒比海上... 阅读全文
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1648: [Usaco2006 Dec]Cow Picnic 奶牛野餐Time Limit:5 SecMemory Limit:64 MBSubmit:432Solved:270[Submit][Status]DescriptionThe cows are having a picnic! Eac... 阅读全文
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1641: [Usaco2007 Nov]Cow Hurdles 奶牛跨栏Time Limit:5 SecMemory Limit:64 MBSubmit:424Solved:272[Submit][Status]DescriptionFarmer John 想让她的奶牛准备郡级跳跃比赛，贝茜和她的... 阅读全文
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1668: [Usaco2006 Oct]Cow Pie Treasures 馅饼里的财富Time Limit:3 SecMemory Limit:64 MBSubmit:498Solved:289[Submit][Status]Description最近，奶牛们热衷于把金币包在面粉里，然后把它们烤... 阅读全文
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1692: [Usaco2007 Dec]队列变换Time Limit:5 SecMemory Limit:64 MBSubmit:682Solved:280[Submit][Status]DescriptionFJ打算带他的N(1 s1[i] then 50 ... 阅读全文
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1640: [Usaco2007 Nov]Best Cow Line 队列变换Time Limit:5 SecMemory Limit:64 MBSubmit:543Solved:278[Submit][Status]DescriptionFJ打算带着他可爱的N (1 ≤ N ≤ 2,000)头奶牛... 阅读全文
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1620: [Usaco2008 Nov]Time Management 时间管理Time Limit:5 SecMemory Limit:64 MBSubmit:506Solved:306[Submit][Status]DescriptionEver the maturing businessma... 阅读全文
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1634: [Usaco2007 Jan]Protecting the Flowers 护花Time Limit:5 SecMemory Limit:64 MBSubmit:493Solved:310[Submit][Status]DescriptionFarmer John went to cut... 阅读全文
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1627: [Usaco2007 Dec]穿越泥地Time Limit:5 SecMemory Limit:64 MBSubmit:504Solved:325[Submit][Status]Description清早6：00，Farmer John就离开了他的屋子，开始了他的例行工作：为贝茜挤奶。前... 阅读全文
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1651: [Usaco2006 Feb]Stall Reservations 专用牛棚Time Limit:10 SecMemory Limit:64 MBSubmit:566Solved:314[Submit][Status]DescriptionOh those picky N (1 >>>>... 阅读全文