simplest way to find preorder given inorder and postorder | construct binary tree

This video explains given inorder and postorder of a binary tree, how to find preorder and even how to contruct a binary tree from given information. This makes use of recursive method and the CODE LINK is given below. If you find any difficulty or have any query then do COMMENT below. PLEASE help our channel by SUBSCRIBING and LIKE our video if you found it helpful...CYA :) CODE LINK: https://drive.google.com/open?id=1izNgww43NYdC6QiBc2nlhQA1y6AuYHB2