B. Permutations & Primes | Codeforces Round 884 (Div. 1 + Div. 2) | Codeforces | DCC NIT-A

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DCC NITA

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B. Permutations & Primes | Codeforces Round 884 (Div. 1 + Div. 2) | Codeforces | DCC NIT-A

B. Permutations & Primes | Codeforces Round 884 (Div. 1 + Div. 2) | Codeforces | DCC NIT-A