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Revision history of "2018 OIM Problems/Problem 5"

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  • (cur | prev) 13:30, 14 December 2023‎ Tomasdiaz (talk | contribs)‎ . . (656 bytes) (+656)‎ . . (Created page with "== Problem == Let <math>n</math> be a positive integer. For a permutation <math>a_1, a_2, \cdots , a_n,</math> of the numbers <math>1, 2, \cdots , n,</math> we define <cmath>...")
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