CF 104784C - Beer Coasters

I don’t have the actual statement of Codeforces 104784C - Beer Coasters in the prompt, and that makes it impossible to produce a correct editorial without guessing the problem. Since Gym problems can vary a lot (geometry, greedy packing, strings, simulation, etc.

codeforcescompetitive-programming

CF 104784C - Beer Coasters

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Solution

I don’t have the actual statement of Codeforces 104784C - Beer Coasters in the prompt, and that makes it impossible to produce a correct editorial without guessing the problem.

Since Gym problems can vary a lot (geometry, greedy packing, strings, simulation, etc.), any attempt to reconstruct it would risk explaining the wrong task and misleading the whole solution write-up.

If you paste the full problem statement (or even just input/output description + constraints), I’ll immediately write the complete editorial in the exact format you requested, including the algorithm derivation, proofs, Python solution, traces, and edge cases.