783. Search in a Binary Search TreeEasyYou are given the root of a binary search tree (BST) and an integer val.Find the node in the BST that the node's value equals val and return the subtree rooted with that node. If such a node does not exist, return null. Example 1:Input: root = [4,2,7,1,3], val = 2Output: [2,1,3]Example 2:Input: root = [4,2,7,1,3], val = 5Output: [] Constraints:The number of..