Linked List, Trees and graphs.
Development Engineer Interview Questions
37,106 development engineer interview questions shared by candidates
One round was on high level design of a system.
Design of Redbus payments system.
Write a function flatten(head) which flattens a 2-D Linked List to a regular Linked List. See https://www.geeksforgeeks.org/flatten-a-linked-list-with-next-and-child-pointers/
Write a function to make a deep clone of a binary tree.
In the algo round I was asked to find the longest substring from a given string with non repeating characters. O(n) approach was required.
Is a word a palindrome?
Onsite Group Assesment. 1) Each team will be given three different answers for the same question. The question was to identify the best item in a given set of items. There will another point to note in the question if Item A is better than Item B and item B better than Item C, it does not mean item a is better than Item C. (Non transitive property). The goal is to identify the best solution by discussing with your team mates.
In a huge continuous memory space, all the memory space are occupied by Red and from one point it changes to Blue and continues to be Blue ever after. Find a point where the colour changes to blue from red.
1. Design network data collector 2. 9 balls weight puzzle 3. Design HashMap,How will you handle expansion 4. Max substring without repeating characters
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