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Goddan.'s blog

By Goddan., history, 7 years ago, translation, In English

Hi Codeforces! I need help solving a problem. Here is a link to the condition: https://docs.google.com/drawings/d/1rzn5TzQJxuF1OulPWgNhBr-EVcLYhECCyUqeQsxZdmg/edit?usp=sharing

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