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• 2024年2月19日 (一) 15:20 Riguz 留言 贡献创建了页面28.Find the Index of the First Occurrence in a String （创建页面，内容为“=Description= {{LeetCode |id=find-the-index-of-the-first-occurrence-in-a-string |no=28 |difficulty=Easy |category=String |collection=Top 150 |title=Find the Index of the First Occurrence in a String |summary=Given two strings needle and haystack, return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.}} == State Machine == {{Submission|runtime=1ms|memory=41.15MB|rp=36.32|mp=87.80}} <syntaxhighlight lang="java">…”）