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Find the Index of the First Occurrence in a String

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📝 Vazifa tavsifi

Ikkita haystack va needle satrlari berilgan. needle satrining haystack satrida birinchi marta paydo bo'lgan joyining indeksini qaytaring. Agar needle satri haystack tarkibida bo'lmasa, -1 ni qaytaring.

Misol:

Input: haystack = "sadbutsad", needle = "sad"
Output: 0
Tushuntirish: "sad" so'zi haystack ichida 0 va 6-indekslarda uchraydi.
Birinchi marta uchragan joyi 0 bo'lgani uchun 0 ni qaytaramiz.

Find the Index of the First Occurrence in a String

Oson15 daqiqa10 ball

📚 Misollar

Kiruvchi: haystack = "sadbutsad", needle = "sad"
Chiquvchi: 0
Kiruvchi: haystack = "leetcode", needle = "leeto"
Chiquvchi: -1
func solve(_ haystack: String, _ needle: String) -> Int { // Kodingizni shu yerga yozing return -1 }

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