UnitedHealth Group Interview Experience for Fresher SDE - 1, Aug 2019
PROFILE
Preparation
Tip 1 : Competitive Programming
Tip 2 : Do atleast 2 projects
Application Process
Tip 1 : To be precise, mention your technical skills, achievements, dont write anything unnecessary plus write your professional summary good mention your project details in not more than 2 lines and make sure those sentences make sense to reader.
Tip 2 : Resume should be not more than one page. Write everything within one page
Interview Process
Round 1
30 Aptitude problems and two coding questions
For a given integer array/list of size N, find the total number of 'Inversions' that may exist.
An inversion is defined for a pair of integers in the array/list wh...
Given an array of numbers, find the maximum sum of any contiguous subarray of the array.
For example, given the array [34, -50, 42, 14, -5, 86], the maximum sum would be 1...
Round 2
Data structure and algorithms plus object oriented problems
Sort an array A using Merge Sort.
Change in the input array itself. So no need to return or print anything.
Input format :
Line 1 : Integer n i.e. Array size
Line 2 : Array elements (separated by space)
What is hashing?
How to remove collision in hashing?
What is open addressing ?
You are given a Singly Linked List of integers and a reference to the node to be deleted. Every node of the Linked List has a unique value written on it. Your task is to delete that nod...
Round 3
Database questions and discussion about projects
What is normal form and explain BCNF.
What is the difference between while keyword and having keyword?
Explain your best project?
Why machine learning project?
What are data frames?
Difference between classification and regression.
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