Computer system analysis is like child-rearing; you can do grievous damage, but you cannot ensure success. Tom DeMarco
Insertion sort is a sorting algorithm uses to sort items in the array or linked list. It can sort the elements in ascending order or descending order. Insertion sort is a simple sorting algorithm. It works efficiently for small data sets. Insertion sort builds the sorted array. It is best suitable for nearly sorted arrays and a small set of elements.
Write a program to sort the elements in the linked list using insertion sort.
Print the list of items: 21->52->33->67->NULL