原文链接: https://leetcode-cn.com/problems/count-substrings-that-differ-by-one-character
英文原文Given two strings s and t, fi
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原文链接: https://leetcode-cn.com/problems/largest-substring-between-two-equal-characters
英文原文Given a string s, return the
原文链接: https://leetcode-cn.com/problems/check-array-formation-through-concatenation
英文原文You are given an array of disti
原文链接: https://leetcode-cn.com/problems/design-an-ordered-stream
英文原文There is a stream of n (idKey, value) pairs arrivi
原文链接: https://leetcode-cn.com/problems/minimum-operations-to-reduce-x-to-zero
英文原文You are given an integer array nums
原文链接: https://leetcode-cn.com/problems/determine-if-two-strings-are-close
英文原文Two strings are considered close if you
原文链接: https://leetcode-cn.com/problems/largest-color-value-in-a-directed-graph
英文原文There is a directed graph of n colo
原文链接: https://leetcode-cn.com/problems/substrings-of-size-three-with-distinct-characters
英文原文A string is good if there
原文链接: https://leetcode-cn.com/problems/finding-pairs-with-a-certain-sum
英文原文You are given two integer arrays nums1 and
原文链接: https://leetcode-cn.com/problems/check-if-all-the-integers-in-a-range-are-covered
英文原文You are given a 2D integer