Not difficult. It is like why can not compare two strings. And how to compare one object which initialed as a string with string. The coding quesition is to find the kth in two sorted arrays.
Software Development Engineer In De Test Interview Questions
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Difficult to answer in short and first time attempt.
First explain what a tree, then binary tree, then a binary search tree is. Now implement a function that verifies whether a binary tree is a valid binary search tree.
Given a binary tree, how would you set the keys/values of all the nodes and their child pointers to null. No language restriction. Do it iteratively in O(N) time with O(1) space complexity where N is the number of nodes in the tree. Other Details: - Tree is just a regular Binary Tree and doesn't have the BST property. - It is not guaranteed to be balanced. - You may do whatever you want to the tree however, you must ensure that all the nodes in the tree and their left/right pointers are set to null.
1) 6 hours problem - Walls and Guards, use triple loop as a solutions and matrix. 2) Live coding question - 3 boxes with apples, oranges and apple and oranges, famous problem.
Divide two numbers without using / or % and return quotient.
Check if tic-tac-toe has a winner
2. You have an array (size is not known) and whose elements are having the values from 0-> 99. Find out the three largest elements in that array and return those.
Implement a Queue using 2 Stacks
In a BST write a program to find 2 nodes x and y such that X+y=k
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