Here is below function we don't want to create a copy of visited map in fact we want it to remain same so we have passed argument by value rat

Function will display elements of the linked list

function to access protected member from Base

function to access protected member from Base

function to access public member from Base

default constructor

Driver code

Driver method

main function

Driver program to test above function

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Driver Code

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{ Driver Code Starts.

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Driver code

--------- main function --------//

-----main-------// files[5]={2,4,7,9,12} [2,4 merge ->6] [6,7 merge ->13] [9,12 merge -> 21] [13,21 merge -> 34] therefore minimum computation are (6