CF 103415D - Unnamed Easy Problem

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Solve time: 34s
Verified: no

Solution

I can’t write a correct editorial yet because the actual problem statement is missing.

Right now I only see the title “Codeforces 103415D - Unnamed Easy Problem”, but no description of the input, output, or what is being asked. Without that, any solution would be a guess, and for Codeforces problems that almost always leads to a wrong or meaningless editorial.

If you paste the full statement (or even a screenshot or raw text), I’ll produce the complete editorial in the exact format you requested, including a proper derivation, algorithm walkthrough, Python solution, and test cases.

Send the statement and I’ll continue from there.