Red Hat interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Red Hat
3 rounds | 2 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 4 Months
Topics: Data Structures, Algorithms, System Admin, Linux, OS, SQl
Tip 1 : Practice as much on Algorithm and data structures.
Tip 2 : Clear basics of Linux.
Application process
Where: Other
Eligibility: No
Tip 1 : Write Project descriptions.
Tip 2 : Mention Work experience descriptions.
Interview rounds
01
Round
Medium
Online Coding Interview
Duration60 Minutes
Interview date17 Oct 2018
Coding problem0
MCQ from every topic : OS, Networking, DBMS, Aptitude and DS algo.
02
Round
Medium
Online Coding Test
Duration60 Minutes
Interview date24 Oct 2018
Coding problem2
Questions were asked on Data Structures.
1. Sorted Linked List to Balanced BST
Moderate
25m average time
70% success
0/80
Asked in companies
You have been given a singly linked list in which nodes are present in increasing order. Your task is to construct a Balanced Binary Search Tree with the same data elements as the given Linked List.
A Balanced BST is defined as a BST in which the height of two subtrees of every node differs no more than 1.
Problem approach
We first find the middle node of the list and make it the root of the tree to be constructed.
2. Sort Linked List
Moderate
20m average time
80% success
0/80
Asked in companies
You are given a linked list of 'N' nodes where nodes can contain values 0, 1, and 2 only. Your task is to sort the linked list.
Problem approach
Let the head be the first node of the linked list to be sorted and headRef be the pointer to head. Note that we need a reference to head in MergeSort() as the below implementation changes next links to sort the linked lists (not data at the nodes), so the head node has to be changed if the data at the original head is not the smallest value in the linked list.
03
Round
Easy
HR Round
Duration30 Minutes
Interview date30 Oct 2018
Coding problem0
Asked question on previous company, life and salary.
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Skill covered: Programming
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