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Combinatorics | HackNow

Combinatorics

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Masalalar (20)

01radio_button_unchecked

Jamoa tuzish (nCr)

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Robot yo'llari (Grid Paths)

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Konfet tarqatish (Stars & Bars)

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Faktorial (kichik N)

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Ikkita element tanlash usullari

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Uchta element tanlash usullari

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P(N, K) — k ta orinli o'rin almashishlar

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Doiraviy o'rin almashishlar

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Paskal uchburchagining N-qatori

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Paskal uchburchagining C(N, K) qiymati

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N ta elementli to'plamning qism to'plamlari soni

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K^N — uzunligi N bo'lgan K ta-belgili so'zlar soni

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N! mod 10^9 + 7

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Tezkor darajaga ko'tarish (A^B mod M)

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Modul bo'yicha teskari element (Ferma teoremasi)

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C(N, K) mod 10^9 + 7

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Fibonachchi N modul 10^9 + 7

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Derangement (chalkash) D(N)

CombinatoricsQiyin100 ball