http://www.informit.com/articles/article.aspx?p=2213858&WT.mc_id=Author_Knuth_20Questions http://www.informit.com/articles/article.aspx?p=2213858&WT.m... Note

http://www.informit.com/articles/article.aspx?p=2213858&WT.mc_id=Author_Knuth_20Questions http://www.informit.com/articles/article.aspx?p=2213858&WT.m... Note that Knuth does not believe that the constant factor on the P algorithm be will be less than the size of the entire Universe.