题目描述：
Given a Binary Search Tree (BST) with root node root, and a target value V, split the tree into two subtrees where one subtree has nodes that are all smaller or equal to the target value ...
归档 2018
[LeetCode]Split BST
[LeetCode]K-th Symbol in Grammar
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LeetCode.
题目描述：
LeetCode 779. K-th Symbol in Grammar
On the first row, we write a 0. Now in every subsequent row, we look at the previous row and replace each occurrence of 0 with 01, and each occurrence of 1 with ...
LeetCode Weekly Contest 69解题报告
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LeetCode.
LeetCode Weekly Contest 69是LeetCode举办的第七十三场正式周赛，共4道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-69/
题解列表：
LeetCode 771. Jewels and Stones
[LeetCode]Minimize Max Distance to Gas Station
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LeetCode.
题目描述：
LeetCode 774. Minimize Max Distance to Gas Station
On a horizontal number line, we have gas stations at positions stations[0], stations[1], ..., stations[N-1], where N = stations.length.
Now, we add K more gas stations so that D ...
[LeetCode]Sliding Puzzle
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LeetCode.
题目描述：
On a 2x3 board, there are 5 tiles represented by the integers 1 through 5, and an empty square represented by 0.
A move consists of choosing 0 and a 4-directionally adjacent number and swapping ...