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aa118.txt

Associated article: Sorting Strings with Three-Way Radix Quicksort

Tags: Database     Design    

Published source code accompanying the column by Jon Bentley and Robert Sedgewick in which they describe a new algorithm for sorting strings that combines the best of quicksort and radix sort. Also see AA118.ZIP.

					Algorithm Alley
by Jon Bentley and Robert Sedgewick

Example 1: 

void iqs(int a[], int n) 
{   int le, lt, gt, ge, r, v;
    if (n <= 1)
         return;
    swap(a, 0, rand() % n);
    v = a[0];
    le = lt = 1;
    gt = ge = n-1;
    for (;;) {
        for ( ; lt &...
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