题目描述：
Given the coordinates of four points in 2D space, return whether the four points could construct a square.
The coordinate (x,y) of a point is represented by an integer array with two integers.
Example ...
[LeetCode]Valid Square
[LeetCode]Longest Harmonious Subsequence
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LeetCode.
题目描述：
LeetCode 594. Longest Harmonious Subsequence
We define a harmonious array is an array where the difference between its maximum value and its minimum value is exactly 1.
Now, given an integer array, you need to find the length of ...
LeetCode Weekly Contest 32解题报告
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LeetCode.
LeetCode Weekly Contest 32是LeetCode举办的第三十七场正式周赛，共4道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-32/
题解列表：
LeetCode 581. Shortest Unsorted Continuous Subarray
[LeetCode]Erect the Fence
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LeetCode.
题目描述：
There are some trees, where each tree is represented by (x,y) coordinate in a two-dimensional garden. Your job is to fence the entire garden using the minimum length of rope as it is ...
[LeetCode]Delete Operation for Two Strings
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题目描述：
LeetCode 583. Delete Operation for Two Strings
Given two words word1 and word2, find the minimum number of steps required to make word1 and word2 the same, where in each step you can delete one character in either string ...