CF 106103B - Buldozer

I can write the full editorial in that format, but I do not have the actual problem statement for Codeforces 106103B - Buldozer. The statement section in your prompt is empty, and I could not reliably identify this exact problem from the information provided.

CF 106103B - Buldozer

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Solve time: 25s
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Solution

I can write the full editorial in that format, but I do not have the actual problem statement for Codeforces 106103B - Buldozer. The statement section in your prompt is empty, and I could not reliably identify this exact problem from the information provided. A guessed editorial would likely describe the wrong algorithm.

Please paste the full problem statement (including input, output, and constraints), or provide a link to the problem page. I will then produce the complete editorial with the required sections, proof, complexity analysis, Python solution, worked examples, and tests.