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TR-MO 2023 Problem 4

    Başlangıçta tahta üzerinde her birinin 31 koordinatı olan 31 adet

    (1,0,0,…,0), (0,1,0,…,0), …, (0,0,0,…,1)(1,0,0,\ldots,0),\ (0,1,0,\ldots,0),\ \ldots,\ (0,0,0,\ldots,1)

    31-lileri yazılmıştır. Her işlemde, tahtada bulunan (a1,a2,…,a31)(a_1,a_2,\ldots,a_{31}) ve (b1,b2,…,b31)(b_1,b_2,\ldots,b_{31}) 31-lileri seçiliyor ve (a1+b1,a2+b2,…,a31+b31)(a_1+b_1,a_2+b_2,\ldots,a_{31}+b_{31}) 31-lisi de tahtaya yazılıyor. En az kaç işlem sonucunda tahtada

    (0,1,1,…,1), (1,0,1,…,1), …, (1,1,1,…,0)(0,1,1,\ldots,1),\ (1,0,1,\ldots,1),\ \ldots,\ (1,1,1,\ldots,0)

    31-lilerinin tümü yer alabilir?

    Official text Turkish Mathematical Olympiad 2023 official paper, page 2. Quoted with source.

    A model read this text from the scan of the paper by OCR, with vision/claude@2.1.318 (claude-opus-5-5). No person has checked it against the paper yet.

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