Construct Binary Search Tree from Preorder | BST Construction | Data structures

#constructbinarysearchtree, #bst, #thegatehub Contact Datils (You can follow me at) Instagram: https://www.instagram.com/ahmadshoebkhan/ LinkedIn: https://www.linkedin.com/in/ahmad-shoeb-957b6364/ Facebook: https://www.facebook.com/ahmadshoebkhan Watch Complete Playlists: Data Structures: https://www.youtube.com/watch?v=jEMmThJ-1ss&list=PL1QH9gyQXfgsy3G_J33ug6_mWeEBodovC Theory of Computation: https://www.youtube.com/watch?v=p1oqDS0fayc&list=PL1QH9gyQXfgsUBfYUR0WirJASgif4pHVX Compiler Design: https://www.youtube.com/watch?v=XMt-KL-xn7k&list=PL1QH9gyQXfguPNDTsnG90W2kBDQpYLDQr - The first element of preorder array will contain the root element as it's preorder so create a node of this value - Now traverse from first of array & find the value lesser than node value which we just created - Let's say we find the value at ith index - Now all values from start to i will be in left sub tree & from i + 1 to end - 1 will be in right subtree - Again recursively call the function with node.left = create(arr, start, i) & node.right = create(arr, i+1, end-1) - return node from function Time Complexity: O(n), where n is total number of elements in array Space Complexity: O(1) construct bst from given postorder traversal construct bst from given preorder traversal Build a Binary Search Tree from a Preorder Sequence construct bst from preorder leetcode construct tree from inorder and preorder construct bst from inorder construct bst from preorder binary search tree construct binary search tree construct binary search tree from preorder traversal - leetcode construct special binary tree from given preorder traversal Algorithm for constructing BST from preorder traversal Construct a BST from given preorder traversal using Stack tutorial,binary search tree,binary search tree problems,bst problems,bst,bst in java,binary search tree problems java,create bst from postorder traversal,create bst,create bst from postorder,bst create bst from postorder,create bst from postorder java,create bst from postorder traversal java,postorder traversal,create bst from post order,construct,construct bst from postorder,binary search tree in data structure in hindi,binary search tree in data structure with example,binary search tree in data structure tutorials,binary search tree in ds in hindi,binary search tree in dsa,bst in data structure,bst in data structure in hindi,bst in ds,bst in dsa,properties of binary search tree,advantage and disadvantage of binary search tree,construct a bst from postorder traversal,bst,binary search tree,binary tree,data structure,algorithm,trees,dsa,recursion,interview questions,amazon interview question,microsoft interview question,coding questions,programming interview questions,placement,c++