随笔分类 - ACM-树
摘要：Consider a un-rooted tree T which is not the biological significance of tree or plant, but a tree as an undirected graph in graph theory with n nodes,
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摘要：Little Q and Little T are playing a game on a tree. There are n vertices on the tree, labeled by 1,2,...,n , connected by n−1 bidirectional edges. The
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摘要：You are given a complete binary tree with n nodes. The root node is numbered 1, and node x's father node is ⌊x/2⌋⌊x/2⌋. At the beginning, node x has a
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摘要：DescriptionBinary Search Tree, abbreviated as BST, is a kind of binary tree maintains the following property:each node has a Key value...
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摘要：The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all pl
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摘要：Jimmy wants to make a special necklace for his girlfriend. He bought many beads with various sizes, and no two beads are with the same...
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摘要：You are working for Macrohard company in data structures department. After failing your previous task about key insertion you were asked to write a ne
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摘要：The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral p...
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摘要：In the game of DotA, Pudge’s meat hook is actually the most horrible thing for most of the heroes. The hook is made up of several cons...
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摘要：Chinese always have the railway tickets problem because of its' huge amount of passangers and stations. Now goverment need you to deve...
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摘要：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了N个工兵营地,Derek和Tidy的任务就是要监视这些工兵营地的活动情况。由于采取了某种先进的监测手段，所以每个工兵营地的人数C国都掌握的一清二楚...
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摘要：You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given numbe...
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摘要：很多学校流行一种比较的习惯。老师们很喜欢询问，从某某到某某当中，分数最高的是多少。 这让很多学生很反感。 不管你喜不喜欢，现在需要你做的是，就是按照老师的要求，写一个程序，模拟老师的询问。当然，老师有时候需要更新某位同学的成绩。Input本题目包含多组测试，请处理到文...
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摘要：我们将A省简化为由N个城市组成，某些城市之间存在双向道路，而且A省的交通有一个特点就是任意两个城市之间都能通过道路相互到达，且在不重复经过城市的情况下任意两个城市之间的到达方案都是唯一的。聪明的你一定已经发现，这些城市构成了树这样一个结构。 现在百度陆续开了许许多多的...
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摘要：I hope you know the beautiful Union-Find structure. In this problem, you’re to implement somethingsimilar, but not identical.The data ...
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