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An AVL tree is a self-balancing binary search tree. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at any 阅读全文
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将一系列给定数字插入一个初始为空的小顶堆H[]。随后对任意给定的下标i，打印从H[i]到根结点的路径。 输入格式: 每组测试第1行包含2个正整数N和M(≤)，分别是插入元素的个数、以及需要打印的路径条数。下一行给出区间[-10000, 10000]内的N个要被插入一个初始为空的小顶堆的整数。最后一行 阅读全文
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We have a network of computers and a list of bi-directional connections. Each of these connections allows a file transfer from one computer to another 阅读全文
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This time let us consider the situation in the movie "Live and Let Die" in which James Bond, the world's most famous spy, was captured by a group of d 阅读全文
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“六度空间”理论又称作“六度分隔（Six Degrees of Separation）”理论。这个理论可以通俗地阐述为：“你和任何一个陌生人之间所间隔的人不会超过六个，也就是说，最多通过五个人你就能够认识任何一个陌生人。”如图1所示。 “六度空间”理论虽然得到广泛的认同，并且正在得到越来越多的应用。 阅读全文
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This time let us consider the situation in the movie "Live and Let Die" in which James Bond, the world's most famous spy, was captured by a group of d 阅读全文
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According to Wikipedia: Insertion sort iterates, consuming one input element each repetition, and growing a sorted output list. Each iteration, insert 阅读全文
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According to Wikipedia: Insertion sort iterates, consuming one input element each repetition, and growing a sorted output list. Each iteration, insert 阅读全文
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给定公司N名员工的工龄，要求按工龄增序输出每个工龄段有多少员工。 输入格式: 输入首先给出正整数N（≤），即员工总人数；随后给出N个整数，即每个员工的工龄，范围在[0, 50]。 输出格式: 按工龄的递增顺序输出每个工龄的员工个数，格式为：“工龄:人数”。每项占一行。如果人数为0则不输出该项。 输入 阅读全文
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The ranklist of PAT is generated from the status list, which shows the scores of the submissions. This time you are supposed to generate the ranklist 阅读全文