1. Insertion Sort

2. Copyright © The McGraw-Hill Companies, Inc
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

3. Example: Sorting problem
Input: A sequence of n numbers
Output: A permutation of the input sequence such that
The number that we wish to sort are known as the keys.

4. Pseudocode Insertion sort Insertion-sort(A) 1 for j 2 to length[A]
2 do keyA[j]
Insert A[j] into the sorted sequence A[1..j-1]
i  j - 1
while i>0 and A[i]>key
6 do A[i+1] A[i]
7 i  i - 1
A[i +1] key

5. Copyright © The McGraw-Hill Companies, Inc
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.