CF 103048K - K-Primes
I can’t write a correct editorial yet because the actual problem statement for CF 103048K - K-Primes isn’t included in your message.
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Solve time: 25s
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Solution
I can’t write a correct editorial yet because the actual problem statement for CF 103048K - K-Primes isn’t included in your message.
That problem name is ambiguous (there are multiple “k-prime” style problems across different contests, usually involving numbers with exactly k prime factors, but the exact task, constraints, and queries matter a lot for the solution).
Please paste the full problem statement (or at least input/output format + constraints + sample). Once you do, I’ll produce the complete Codeforces-style editorial in the exact structure you requested, with a full algorithm walkthrough, proofs, code, and test cases.