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elyor.dev elyor.dev @elyor_dev · 250 subscribers
Post #82 338
Hash table

Hash table bu — key:value juftligidagi datalarni saqlash uchun yordam beradigan / xizmat qiladigan data strukturalardan biri.

Javascriptda uni implementatsiyasi uchun objectlar yoki Map constructori bor.

// Object

const hash: Record<string, number> = {}

hash['Javascript'] = 0
hash['Typescript'] = 1

console.log(hash['Javascript']) // 0
console.log(hash['Tavascript']) // 0


// Map

const hash = new Map<string, number>()

hash.set('js', 0)
hash.set('ts', 1)

console.log(hash.get('js')) // 0

hash.delete('js')

console.log(hash.get('js')) // undefined


Agar kimdir o'zining shaxsiy Hash table implementatsiyasini qilib ko'rishni xohlasa, mana bu yerda batafsil keltirilgan.

Rasmda esa Hash tabledan foydalanilganda olinadigan big O-notationlar berilgan.

Amaliyotda hash tabledan juda ko'p foydalaniladi.

#hash_table #map #data_structure #algorithms

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