CF 106197A - Hinge Arch

I can write the editorial, but I do not have enough information about the problem itself. The statement section in your prompt is empty, and the available public information only identifies that Codeforces 106197A - Hinge Arch exists, not the actual input, output, constraints…

codeforcescompetitive-programming

CF 106197A - Hinge Arch

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Solution

I can write the editorial, but I do not have enough information about the problem itself. The statement section in your prompt is empty, and the available public information only identifies that Codeforces 106197A - Hinge Arch exists, not the actual input, output, constraints, or required construction.

Please provide the full problem statement (including input/output and examples), and I will produce the complete editorial in the requested format with the algorithm explanation, proof, Python solution, traces, complexity analysis, and tests.