10 2017 档案
摘要：//神题目（题目一开始就理解错了）。。。 题目描述 Why did the cow cross the road? Well, one reason is that Farmer John's farm simply has a lot of roads, making it impossible
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摘要：以前只知道数组赋值时用memset()； 而这几天却了解到了一个函数:fill(); 感觉以后会有用吧。。。 std::fill template <class ForwardIterator, class T> void fill (ForwardIterator first, ForwardIt
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摘要：蒜头君的排序(sort) 2000ms 262144K 蒜头君是一个爱思考的好孩子，这一天他学习了冒泡排序，于是他就想，把一个乱序排列通过冒泡排序排至升序需要多少次交换，这当然难不倒他，于是他想来点刺激的，给定一个1…n1的排列，每次从该排列中选择一个区间[l,r]，问使用冒泡排序将该区间排至升序需
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摘要：题目描述 The first stage of train system reform (that has been described in the problem Railways of the third stage of 14th Polish OI. However, one needs
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摘要：题目描述 Farmer John has decided to give each of his cows a cell phone in hopes to encourage their social interaction. This, however, requires him to set
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摘要：题目描述 Farmer John and his herd are playing frisbee. Bessie throws the frisbee down the field, but it's going straight to Mark the field hand on the oth
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摘要：题目描述 Farmer John is at the market to purchase supplies for his farm. He has in his pocket K coins (1 <= K <= 16), each with value in the range 1..100,
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摘要：虫洞（wormhole） FJ 在农场上闲逛时，发现他的农场里有很多虫洞。虫洞是一条特殊的有向路径，当 FJ 从它的一头走到另一头后，他将被传送到过去的某个时刻。FJ 的每个农场包括 N(1<=N<=500)块按1..N 编号的草地、M(1<=M<=2500)条草地间的道路以及W(1<=W<=200
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摘要：题目描述 Siruseri 城中的道路都是单向的。不同的道路由路口连接。按照法律的规定， 在每个路口都设立了一个 Siruseri 银行的 ATM 取款机。令人奇怪的是，Siruseri 的酒吧也都设在路口，虽然并不是每个路口都设有酒吧。 Banditji 计划实施 Siruseri 有史以来最惊天
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摘要：题目描述 Bessie is planning the annual Great Cow Gathering for cows all across the country and, of course, she would like to choose the most convenient lo
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