Introduction to searching

Searching algorithms are categorized into two broad types:

• The searching algorithm is applied to the list of items that are already sorted; that is, applied to the ordered set of items
• The searching algorithm is applied to the unordered set of items, which are not sorted

Linear search

The searching operation is to find out a given item from the stored data. If the searched item is available in the stored list then it returns the index position where it is located, or else it returns that the item is not found. The simplest approach to search for an item in a list is the linear search method, in which we look for items one by one in the whole list.

Let's take an example of 5 list items {60,...