LeetCode 1455. Check If a Word Occurs As a Prefix of Any Word in
Given a?sentence?that consists of some words separated by a?single space, and a?searchWord, check if?searchWord?is a prefix of any word in?sentence.
Return?the index of the word in?sentence?(1-indexed) where?searchWord?is a prefix of this word. If?searchWord?is a prefix of more than one word, return the index of the first word?(minimum index). If there is no such word return?-1.
A?prefix?of a string?s?is any leading contiguous substring of?s.
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Example 1:
Input:?sentence = "i love eating burger", searchWord = "burg"Output:?4Explanation:?"burg" is prefix of "burger" which is the 4th word in the sentence.
Example 2:
Input:?sentence = "this problem is an easy problem", searchWord = "pro"Output:?2Explanation:?"pro" is prefix of "problem" which is the 2nd and the 6th word in the sentence, but we return 2 as it's the minimal index.
Example 3:
Input:?sentence = "i am tired", searchWord = "you"Output:?-1Explanation:?"you" is not a prefix of any word in the sentence.
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Constraints:
1 <= sentence.length <= 1001 <= searchWord.length <= 10sentence?consists of lowercase English letters and spaces.searchWord?consists of lowercase English letters.
Easy題目，先把sentence 根據(jù)空格分列，分成數(shù)組，
然后遍歷數(shù)組，
如果是prefix，則返回；
沒有就是-1；
Runtime:?0 ms, faster than?100.00%?of?Java?online submissions for?Check If a Word Occurs As a Prefix of Any Word in a Sentence.
Memory Usage:?39.6 MB, less than?98.68%?of?Java?online submissions for?Check If a Word Occurs As a Prefix of Any Word in a Sentence.
