摘要：一、题目 A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to cus
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摘要：一、题目 Among all the factors of a positive integer N, there may exist several consecutive numbers. For example, 630 can be factored as 3×5×6×7, where 5,
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摘要：一、题目: 略 二、分析 使用BFS。 三、代码 #include <iostream> #include <vector> #include <queue> using namespace std; int M, N, L, T; struct core { bool value; bool vi
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摘要：1103 Integer Factorization (30分) 一、题目 The K−P factorization of a positive integer N is to write N as the sum of the P-th power of K positive integers.
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摘要：一、题意 A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to cus
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摘要：一、题意 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 n
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摘要：一、题意 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 n
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摘要：一、题意 Given any permutation of the numbers {0, 1, 2,..., N−1}, it is easy to sort them in increasing order. But what if Swap(0, *) is the ONLY operatio
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摘要：一、题意 In graph theory, an Eulerian path is a path in a graph which visits every edge exactly once. Similarly, an Eulerian circuit is an Eulerian path w
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摘要：一、题意 There is a classical process named partition in the famous quick sort algorithm. In this process we typically choose one element as the pivot. Th
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摘要：一、题目 Suppose that all the keys in a binary tree are distinct positive integers. A unique binary tree can be determined by a given pair of postorder an
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摘要：一、题目： 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
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摘要：这是2018年9月8日PAT考试甲级第一题，当时看完题目什么思路也没有，就直接跳过做第二题（因为我看第二题还好多人做出来了）。最后终于有了思路，但是读题题意理解错了，原文是"at least one but not all the werewolves were lying"即只有一个狼人说谎,自己
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