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MathNet 2017-part-02 — 176 problems (EN–VI) Question 1

Math Olympiad Vault · MathNet 2017-part-02 — 176 problems (EN–VI)

Question 1

A cutting of an $8 \times 8$ chessboard into rectangles is called diversified if the following two conditions hold:
* Each rectangle contains the same number of black and white cells.
* No two rectangles have the same total number of cells.
Find the largest $n$ such that a diversified cutting into $n$ rectangles exists. (Ratko Višak)