原文链接: https://leetcode-cn.com/problems/coin-change
英文原文You are given an integer array coins representing coins of diff
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原文链接: https://leetcode-cn.com/problems/count-of-range-sum
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英文原文Given a sorted integer array nums and an integer n, add/patc
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英文原文Given an integer array nums, return true if
原文链接: https://leetcode-cn.com/problems/palindrome-pairs
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原文链接: https://leetcode-cn.com/problems/top-k-frequent-elements
英文原文Given an integer array nums and an integer k, retur
原文链接: https://leetcode-cn.com/problems/intersection-of-two-arrays
英文原文Given two integer arrays nums1 and nums2, return
原文链接: https://leetcode-cn.com/problems/intersection-of-two-arrays-ii
英文原文Given two integer arrays nums1 and nums2, ret
原文链接: https://leetcode-cn.com/problems/russian-doll-envelopes
英文原文You are given a 2D array of integers envelopes where
原文链接: https://leetcode-cn.com/problems/max-sum-of-rectangle-no-larger-than-k
英文原文Given an m x n matrix matrix and an i
