Check If a Word is a Prefix of Any Word in a Sentence

class Solution {
public:
    int isPrefixOfWord(string sentence, string searchWord) {
        sentence.push_back(' ');
        int idx = 1, start = 0;
        for (int i = 0; i < (int)sentence.size(); ++i) {
            if (sentence[i] == ' ') {
                int len = i - start;
                if (len >= (int)searchWord.size() &&
                    sentence.compare(start, searchWord.size(), searchWord) == 0)
                    return idx;
                ++idx;
                start = i + 1;
            }
        }
        return -1;
    }
};

func isPrefixOfWord(sentence string, searchWord string) int {
    words := strings.Split(sentence, " ")
    for i, w := range words {
        if strings.HasPrefix(w, searchWord) {
            return i + 1
        }
    }
    return -1
}

class Solution:
    def isPrefixOfWord(self, sentence: str, searchWord: str) -> int:
        for i, w in enumerate(sentence.split(' '), start=1):
            if w.startswith(searchWord):
                return i
        return -1

var isPrefixOfWord = function(sentence, searchWord) {
    const words = sentence.split(' ');
    for (let i = 0; i < words.length; i++) {
        if (words[i].startsWith(searchWord)) return i + 1;
    }
    return -1;
};

class Solution {
    public int isPrefixOfWord(String sentence, String searchWord) {
        String[] words = sentence.split(" ");
        for (int i = 0; i < words.length; i++) {
            if (words[i].startsWith(searchWord)) return i + 1;
        }
        return -1;
    }
}

function isPrefixOfWord(sentence: string, searchWord: string): number {
    const words = sentence.split(' ');
    for (let i = 0; i < words.length; i++) {
        if (words[i].startsWith(searchWord)) return i + 1;
    }
    return -1;
}