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  • 2024年2月19日 (一) 15:56 Riguz 讨论 贡献创建了页面392.Is Subsequence (创建页面,内容为“=Description= {{LeetCode |id=is-subsequence |no=392 |difficulty=Easy |category=String |collection=Top 150 |title=Is Subsequence |summary=Given two strings s and t, return true if s is a subsequence of t, or false otherwise.}} A subsequence of a string is a new string that is formed from the original string by deleting some (can be none) of the characters without disturbing the relative positions of the remaining characters. (i.e., "ace" is a subsequence of "ab…”)