On 8/3/16, 5:58 PM, "Justin Mclean" <jus...@classsoftware.com> wrote:
>Hi, > >> If i compare record 20 to record 1030 and find them to be comparable and >> decide to calculate the distance between them, then why should i >>recompare >> record 1030 to 20 when the time comes in the loop? > >Correct theres no need to. I could be wrong, but doesn't this mean the inner loop doesn't have to start at 0 but at i? If so, that would cut out a lot of comparisons. For (i = 0; i < n - 1; i++) For (j = i + 1; j < n; j++) Test(i, j) IF n = 4, this will test: 0,1 0,2 0,3 1,2 1,3 2,3 HTH, -Alex