CF 104147F - Nesr El Sieve

I don’t have the actual problem statement for Codeforces 104147F - Nesr El Sieve, so I can’t safely reconstruct the solution or write a correct editorial yet.

codeforcescompetitive-programming

CF 104147F - Nesr El Sieve

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Solve time: 31s
Verified: no

Solution

I don’t have the actual problem statement for Codeforces 104147F - Nesr El Sieve, so I can’t safely reconstruct the solution or write a correct editorial yet.

For Codeforces problems, even small differences in wording (what is being sieved, constraints, whether queries exist, whether it’s offline, etc.) completely change the intended technique. Guessing here would almost certainly produce the wrong algorithm.

If you paste the full statement (or even just the input/output description and constraints), I’ll write the complete editorial in the exact style you requested, including intuition, optimal approach, correctness argument, and full Python solution.