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<p>schemes including <a href="page.php?w=Samplesort">Samplesort</a>, adaptive partitioning by Van Emden as well as derivation of expected number of comparisons and swaps. <a href="page.php?w=Jon_Bentley_%28computer_scientist%29">Jon Bentley</a> and <a href="page.php?w=Douglas_McIlroy">Doug McIlroy</a> in 1993 incorporated various improvements for use in programming libraries, including a technique to deal with equal elements and a pivot scheme known as pseudomedian of nine, where a sample of nine elements is divided into groups of three and then</p><p>
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