Guess the Tiling

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**This is an interactive problem.** Chef wants to decorate his kitchen with tiles. However, he is running out of money and needs to get the work done at a discount. The Slash Decorators are very proud of their skills and give an offer to Chef. The kitchen is a square grid with length $N$ units and width $N$ units. It is divided into $N$ rows and $N$ columns. The rows are numbered $1$ through

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solution.cppC++17

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