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89860 篇文章 33 次评论主观题：Better bound for FFD
The FFD algorithm for bin packing achieves the following bounds: $$FFD(L)\le (11/9)OPT(L)+1$$, for all $$L$$. (1) Pleas…
主观题：How does size bound afftect bin packing
The following is a question of multiple choices.  The answer is…
主观题：Greedy or Local Search
What are the differences between Greedy algorithm and Local Search? 答案：…
主观题：Maximum Bipartite Matching
A bipartite graph $$G$$ is one whose vertex set can be partitioned into two sets $$A$$ and $$B$$, such that each edge in…
主观题：K-flip algorithm for TSP
**Traveling salesman problem** (TSP): Given a complete graph $$ G=(V, E)$$, with edge costs. Find the shortest simple c…
主观题：哈夫曼树的构建
假设用于通信的电文仅由8个字母组成，字母在电文中出现的频率分别为0.09，0.16，0.02，0.06，0.32，0.03，0.21，0.11。 (1)试为这8个字母设计哈夫曼编码，请写出哈夫曼树的构建详细过程和编码；(4分） (2)…
主观题：Another way to approximate 0-1 knapsack problem
let's take another look at the fractional knapsack problem. It can be shown that there is an optimal packing with at mo…
主观题：二叉排序树的构建
在一个空的二叉排序树中依次插入关键字序列为12,7,17,11,16,2,13,9,21,4，请画出所得到的二叉排序树。@[](5) 答案：…
主观题：谈谈Python学习与应用
谈谈Python你都学习了哪些内容，学习中有什么体会，你所了解的Python应用在哪些领域。 答案：学习内容（4分），体会（2分），应用领域（4分）…
主观题：Randomized Quicksort
Let's consider the **Randomized Quicksort** where each pivot is randomly chosen from the subsequence. The following is…