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1734: [Usaco2005 feb]Aggressive cows 愤怒的牛Time Limit:5 SecMemory Limit:64 MBSubmit:217Solved:175[Submit][Status][Discuss]DescriptionFarmer John has bui... 阅读全文
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1596: [Usaco2008 Jan]电话网络Time Limit:10 SecMemory Limit:162 MBSubmit:601Solved:265[Submit][Status][Discuss]DescriptionFarmer John决定为他的所有奶牛都配备手机，以此鼓励她们互... 阅读全文
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1589: [Usaco2008 Dec]Trick or Treat on the Farm 采集糖果Time Limit:5 SecMemory Limit:64 MBSubmit:419Solved:232[Submit][Status][Discuss]Description每年万圣节，威斯... 阅读全文
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1647: [Usaco2007 Open]Fliptile 翻格子游戏Time Limit:5 SecMemory Limit:64 MBSubmit:423Solved:173[Submit][Status][Discuss]DescriptionFarmer John knows that a... 阅读全文
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1295: [SCOI2009]最长距离Time Limit:10 SecMemory Limit:162 MBSubmit:960Solved:498[Submit][Status][Discuss]Descriptionwindy有一块矩形土地，被分为 N*M 块 1*1 的小格子。 有的格子含... 阅读全文
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1644: [Usaco2007 Oct]Obstacle Course 障碍训练课Time Limit:5 SecMemory Limit:64 MBSubmit:383Solved:196[Submit][Status][Discuss]Description考虑一个 N x N (1 y th... 阅读全文
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1578: [Usaco2009 Feb]Stock Market 股票市场Time Limit:10 SecMemory Limit:64 MBSubmit:414Solved:199[Submit][Status][Discuss]Description尽管奶牛们天生谨慎，她们仍然在住房抵押信贷... 阅读全文
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3522: [Poi2014]HotelTime Limit:20 SecMemory Limit:128 MBSubmit:253Solved:117[Submit][Status][Discuss]Description有一个树形结构的宾馆，n个房间，n-1条无向边，每条边的长度相同，任意两个房... 阅读全文
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3299: [USACO2011 Open]Corn Maze玉米迷宫Time Limit:10 SecMemory Limit:128 MBSubmit:137Solved:59[Submit][Status][Discuss]Description今年秋天，约翰带着奶牛们去玩玉米迷宫。迷宫可分成... 阅读全文
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2272: [Usaco2011 Feb]Cowlphabet 奶牛文字Time Limit:10 SecMemory Limit:128 MBSubmit:138Solved:97[Submit][Status][Discuss]DescriptionLike all bovines, Farme... 阅读全文
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1632: [Usaco2007 Feb]Lilypad PondTime Limit:5 SecMemory Limit:64 MBSubmit:404Solved:118[Submit][Status][Discuss]DescriptionFarmer John 建造了一个美丽的池塘，用于让他... 阅读全文
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2023: [Usaco2005 Nov]Ant Counting 数蚂蚁Time Limit:4 SecMemory Limit:64 MBSubmit:85Solved:40[Submit][Status][Discuss]Description有一天，贝茜无聊地坐在蚂蚁洞前看蚂蚁们进进出出地搬... 阅读全文
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1623: [Usaco2008 Open]Cow Cars 奶牛飞车Time Limit:5 SecMemory Limit:64 MBSubmit:291Solved:201[Submit][Status][Discuss]Description编号为1到N的N只奶牛正各自驾着车打算在牛德比亚的... 阅读全文
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1622: [Usaco2008 Open]Word Power 名字的能量Time Limit:5 SecMemory Limit:64 MBSubmit:370Solved:184[Submit][Status][Discuss]Description约翰想要计算他那N(1≤N≤1000)只奶牛... 阅读全文
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3401: [Usaco2009 Mar]Look Up 仰望Time Limit:3 SecMemory Limit:128 MBSubmit:136Solved:81[Submit][Status][Discuss]Description约翰的N(1≤N≤105)头奶牛站成一排，奶牛i的身高是H... 阅读全文
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1611: [Usaco2008 Feb]Meteor Shower流星雨Time Limit:5 SecMemory Limit:64 MBSubmit:1010Solved:446[Submit][Status][Discuss]Description去年偶们湖南遭受N年不遇到冰冻灾害，现在芙蓉... 阅读全文
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3893: [Usaco2014 Dec]Cow JogTime Limit:10 SecMemory Limit:128 MBSubmit:174Solved:87[Submit][Status][Discuss]DescriptionThe cows are out exercising the... 阅读全文
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3892: [Usaco2014 Dec]MarathonTime Limit:10 SecMemory Limit:128 MBSubmit:169Solved:100[Submit][Status][Discuss]DescriptionUnhappy with the poor health ... 阅读全文
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3891: [Usaco2014 Dec]Piggy BackTime Limit:10 SecMemory Limit:128 MBSubmit:116Solved:92[Submit][Status][Discuss]DescriptionBessie and her sister Elsie ... 阅读全文
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2016: [Usaco2010]Chocolate EatingTime Limit:10 SecMemory Limit:162 MBSubmit:224Solved:87[Submit][Status][Discuss]Description贝西从大牛那里收到了N块巧克力。她不想把它们马上吃完... 阅读全文