Computational Complexity Dr. Colin Campbell Course: EMAT20531.
Chapter 5 Divide-and-Conquer. Divide-and-Conquer The most-well known algorithm design strategy: 1. Divide instance of problem into two or more smaller.
Sorting and selection – Part 2 Prof. Noah Snavely CS1114 .
1 Today’s Material Divide & Conquer (Recursive) Sorting Algorithms –QuickSort External Sorting.
QuickSort Example Use the first number in the list as a ‘pivot’. 13211591231476 First write a list of the numbers smaller than the pivot, in the order.
1 7.5 Heapsort Average number of comparison used to heapsort a random permutation of N items is 2N logN - O (N log log N).
