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A graph which is connected and acyclic can be considered a tree. The height of the tree depends on the selected root. Now you are supposed to find the 阅读全文
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To evaluate the performance of our first year CS majored students, we consider their grades of three courses only: C - C Programming Language, M - Mat 阅读全文
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Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ou 阅读全文
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A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number 阅读全文
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算法 pat 阅读全文
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浙大pat 阅读全文
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首先贴一下题目： It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/towa 阅读全文
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基于Lucene框架的“虎扑篮球”网站搜索引擎（java版） 阅读全文