题目描述：
LeetCode 817. Linked List Components
We are given head, the head node of a linked list containing unique integer values.
We are also given the list G, a subset of the values in the linked list.
Return ...
[LeetCode]Linked List Components
[LeetCode]Most Common Word
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题目描述：
LeetCode 819. Most Common Word
Given a paragraph and a list of banned words, return the most frequent word that is not in the list of banned words. It is guaranteed there is at least one word that isn't banned, ...
[LeetCode]Bus Routes
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We have a list of bus routes. Each routes[i] is a bus route that the i-th bus repeats forever. For example if routes[0] = [1, 5, 7], this means that the first bus (0-th indexed) travels ...
[LeetCode]Largest Sum of Averages
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LeetCode 813. Largest Sum of Averages
We partition a row of numbers A into at most K adjacent (non-empty) groups, then our score is the sum of the average of each group. What is the largest score we can ...
[LeetCode]Binary Tree Pruning
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题目描述：
LeetCode 814. Binary Tree Pruning
We are given the head node root of a binary tree, where additionally every node's value is either a 0 or a 1.
Return the same tree where every subtree (of the given tree) ...