04 2019 档案
摘要：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
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摘要：给定一个有N个顶点和E条边的无向图，请用DFS和BFS分别列出其所有的连通集。假设顶点从0到N−1编号。进行搜索时，假设我们总是从编号最小的顶点出发，按编号递增的顺序访问邻接点。 输入格式: 输入第1行给出2个整数N(0)和E，分别是图的顶点数和边数。随后E行，每行给出一条边的两个端点。每行中的数字
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摘要：In 1953, David A. Huffman published his paper "A Method for the Construction of Minimum-Redundancy Codes", and hence printed his name in the history o
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摘要：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
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摘要：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
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摘要：A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only nodes
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摘要：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
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摘要：An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the
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摘要：Given a tree, you are supposed to list all the leaves in the order of top down, and left to right. Input Specification: Each input file contains one t
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摘要：给定两棵树T1和T2。如果T1可以通过若干次左右孩子互换就变成T2，则我们称两棵树是“同构”的。例如图1给出的两棵树就是同构的，因为我们把其中一棵树的结点A、B、G的左右孩子互换后，就得到另外一棵树。而图2就不是同构的。 图1 图2 现给定两棵树，请你判断它们是否是同构的。 输入格式: 输入给出2棵
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摘要：Given a constant K and a singly linked list L, you are supposed to reverse the links of every K elements on L. For example, given L being 1→2→3→4→5→6,
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