原文链接: https://leetcode-cn.com/problems/number-of-good-pairs
英文原文Given an array of integers nums, return the number of
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原文链接: https://leetcode-cn.com/problems/design-parking-system
英文原文Design a parking system for a parking lot. The parkin
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原文链接: https://leetcode-cn.com/problems/check-if-all-characters-have-equal-number-of-occurrences
英文原文Given a string s,
原文链接: https://leetcode-cn.com/problems/number-of-pairs-of-interchangeable-rectangles
英文原文You are given n rectangles re
原文链接: https://leetcode-cn.com/problems/maximum-number-of-ways-to-partition-an-array
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英文原文You are given a stream of points on the X-Y plane. Design an
