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TRANSPORT LAYER7.5network dimensioning The question of how much capacity to provide at network links in a given topology to achieve a given level of p 阅读全文
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树结构问题因为容易写出解法，因此经常出现在面试题中 1. 树的种类 1) Tree 2) Binary Trees 3) Binary Search Trees(BST) : used to sorted or ordered data. //解决方案：recursion 查找操作(fast and 阅读全文
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1. 题目要求 Given a non-empty list of words, return the k most frequent elements. Your answer should be sorted by frequency from highest to lowest. If two 阅读全文
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1. 题目要求 Your are given an array of integers prices, for which the i-th element is the price of a given stock on day i; and a non-negative integer fee 阅读全文
