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2023 IOQM/Problem 20: Revision history

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27 October 2023

  • curprev 00:0200:02, 27 October 2023 Combi-hater talk contribs 368 bytes +368 Created page with "For any finite non empty set X of integers, let max(X) denote the largest element of X and |X| denote the number of elements in X . If N is the number of ordered pairs (A, B)..."
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