¿Esta es tu empresa?
Round one: 1.Whether a Binary tree is BST or not . Write code for it taking O(1) space complexity . 2.Reverse a linked list. Iterative and recursive both. 3.Given an arrray with n elements give a pair of numbers such that sum will be equal to a number K.
Anónimo
For first one, I said to do Inorder traversal and check whether it is sorted or not. One thing, read geeksforgeeks very carefully.