环套树题目:1040: [ZJOI2008]骑士1023: [SHOI2008]cactus仙人掌图1487: [HNOI2009]无归岛2878: [Noi2012]迷失游乐园1791: [Ioi2008]Island 岛屿学习ing。。。 Read More
1934: [Shoi2007]Vote 善意的投票Time Limit:1 SecMemory Limit:64 MBSubmit:1076Solved:660[Submit][Status]Description幼儿园里有n个小朋友打算通过投票来决定睡不睡午觉。对他们来说,这个问题并不是很重要,... Read More
1607: [Usaco2008 Dec]Patting Heads 轻拍牛头Time Limit:3 SecMemory Limit:64 MBSubmit:779Solved:404[Submit][Status]Description今天是贝茜的生日,为了庆祝自己的生日,贝茜邀你来玩一个游戏.... Read More
1669: [Usaco2006 Oct]Hungry Cows饥饿的奶牛Time Limit:5 SecMemory Limit:64 MBSubmit:665Solved:419[Submit][Status]DescriptionFarmer John养了N(1 r do 8 begin ... Read More
1616: [Usaco2008 Mar]Cow Travelling游荡的奶牛Time Limit:5 SecMemory Limit:64 MBSubmit:762Solved:427[Submit][Status]Description奶牛们在被划分成N行M列(2 <= N <= 100; 2... Read More
1666: [Usaco2006 Oct]Another Cow Number Game 奶牛的数字游戏Time Limit:5 SecMemory Limit:64 MBSubmit:502Solved:432[Submit][Status]Description奶牛们又在玩一种无聊的数字游戏。输... Read More
1612: [Usaco2008 Jan]Cow Contest奶牛的比赛Time Limit:5 SecMemory Limit:64 MBSubmit:645Solved:433[Submit][Status]DescriptionFJ的N(1 i) and (f[i,j]=0) then be... Read More
1617: [Usaco2008 Mar]River Crossing渡河问题Time Limit:5 SecMemory Limit:64 MBSubmit:654Solved:466[Submit][Status]DescriptionFarmer John以及他的N(1 <= N <= 2,5... Read More
1597: [Usaco2008 Mar]土地购买Time Limit:10 SecMemory Limit:162 MBSubmit:1448Solved:504[Submit][Status]Description农夫John准备扩大他的农场,他正在考虑N (1 >1];17 repeat18... Read More
1606: [Usaco2008 Dec]Hay For Sale 购买干草Time Limit:5 SecMemory Limit:64 MBSubmit:612Solved:463[Submit][Status]Description约翰遭受了重大的损失:蟑螂吃掉了他所有的干草,留下一群饥饿的牛... Read More
1019: [SHOI2008]汉诺塔1858: [Scoi2010]序列操作1058: [ZJOI2007]报表统计 Read More
1230: [Usaco2008 Nov]lites 开关灯Time Limit:10 SecMemory Limit:162 MBSubmit:1074Solved:544[Submit][Status]DescriptionFarmer John尝试通过和奶牛们玩益智玩具来保持他的奶牛们思维敏捷... Read More
1613: [Usaco2007 Jan]Running贝茜的晨练计划Time Limit:5 SecMemory Limit:64 MBSubmit:1138Solved:554[Submit][Status]Description奶牛们打算通过锻炼来培养自己的运动细胞,作为其中的一员,贝茜选择的... Read More
1609: [Usaco2008 Feb]Eating Together麻烦的聚餐Time Limit:10 SecMemory Limit:64 MBSubmit:938Solved:562[Submit][Status]Description为了避免餐厅过分拥挤,FJ要求奶牛们分3批就餐。每天晚... Read More
1699: [Usaco2007 Jan]Balanced Lineup排队Time Limit:5 SecMemory Limit:64 MBSubmit:933Solved:568[Submit][Status]Description每天,农夫 John 的N(1 <= N <= 50,000)... Read More
1610: [Usaco2008 Feb]Line连线游戏Time Limit:5 SecMemory Limit:64 MBSubmit:1301Solved:571[Submit][Status]DescriptionFarmer John最近发明了一个游戏,来考验自命不凡的贝茜。游戏开始的时 ... Read More