原文链接: https://leetcode-cn.com/problems/unique-length-3-palindromic-subsequences
英文原文Given a string s, return the numbe
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原文链接: https://leetcode-cn.com/problems/sum-of-digits-of-string-after-convert
英文原文You are given a string s consisting o
原文链接: https://leetcode-cn.com/problems/largest-number-after-mutating-substring
英文原文You are given a string num, which r
原文链接: https://leetcode-cn.com/problems/delete-duplicate-folders-in-system
英文原文Due to a bug, there are many duplicate f
原文链接: https://leetcode-cn.com/problems/minimum-time-to-type-word-using-special-typewriter
英文原文There is a special typew
原文链接: https://leetcode-cn.com/problems/number-of-ways-to-separate-numbers
英文原文You wrote down many positive integers in
原文链接: https://leetcode-cn.com/problems/check-if-string-is-a-prefix-of-array
英文原文Given a string s and an array of strin
原文链接: https://leetcode-cn.com/problems/minimum-number-of-swaps-to-make-the-string-balanced
英文原文You are given a 0-index
原文链接: https://leetcode-cn.com/problems/number-of-strings-that-appear-as-substrings-in-word
英文原文Given an array of strin
原文链接: https://leetcode-cn.com/problems/find-unique-binary-string
英文原文Given an array of strings nums containing n uniqu