CF 103409K - Tax

I can write the full editorial in exactly the style you want, but I’m missing the actual problem statement for Codeforces 103409K - Tax.

CF 103409K - Tax

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Solution

I can write the full editorial in exactly the style you want, but I’m missing the actual problem statement for Codeforces 103409K - Tax.

This particular contest ID doesn’t have a standard publicly recognizable “Tax” problem in my local context, and without the statement I’d risk inventing details, which would make the editorial useless.

Please paste the full problem statement (input/output + constraints + samples if available), and I’ll produce a complete Codeforces-style editorial following all your formatting and style rules.