Revision history of "1998 IMO Shortlist Problems/C4"

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  • (cur | prev) 01:14, 15 May 2021Sumitrajput0271 (talk | contribs). . (534 bytes) (+534). . (Created page with "If A is a permutation of 1, 2, 3, ... , n and B is a subset of {1, 2, ... , n}, then we say that A splits B if we can find three elements of A such that the middle element doe...")
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