Optum interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Optum
2 rounds | 4 Coding
problems
Rejected
Interview preparation journey
Preparation
Duration: 2.5 months
Topics: Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Application process
Where: Referral
Eligibility: Above 7 CGPA
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more
Interview rounds
01
Round
Easy
Video Call
Duration45 minutes
Interview date17 Sep 2021
Coding problem2
1. Kth largest element in the unsorted array
Moderate
10m average time
90% success
0/80
Asked in companies
You are given an array consisting of 'N' distinct positive integers and a number 'K'. Your task is to find the kth largest element in the array.
Example:
Consider the array {2,1,5,6,3,8} and 'K' = 3, the sorted array will be {8, 6, 5, 3, 2, 1}, and the 3rd largest element will be 5.
Note:
1) Kth largest element in an array is the kth element of the array when sorted in non-increasing order.
2) All the elements of the array are pairwise distinct.
Problem approach
You are given an array consisting of 'N' distinct positive integers and a number 'K'. Your task is to find the kth largest element in the array.
2. Puzzle
How to measure 9 minutes using only a 4 minute and 7 minute hourglass.
Problem approach
Tip 1: Think, listen and understand the problem well
Solution:
Start both timers together.
When the 4 minute timer is done, flip it. 7 minute timer will have 3 minutes left.
When the 7 minute timer is done, the 4 minute timer will have 1 minute left.
Now you can count to 9 minutes by simply leaving the 4 minute to expire (1 min), flip it and let it expire (4 min), flip it again and let it expire (4 min). 1 + 4 + 4 = 9
02
Round
Medium
Video Call
Duration45 minutes
Interview date17 Sep 2021
Coding problem2
1. Python based Questions
Next, as I did python so these were questions were asked:
"Docstring, Lambda. Parse in python and Delete a file in python"
Problem approach
Be honest and explain well about your project.
Study in-depth whatever language you have learne
2. Count Consonants In a String
Easy
15m average time
85% success
0/40
Asked in companies
Given a string ‘STR’ which consists of uppercase and lowercase characters and spaces. Count the number of consonants in the string.
A consonant is an English alphabet character that is not vowel (a, e, i, o, and u). Examples of constants are b, c, d, f, etc.
Example :
Given string 'STR' : ‘Coding Ninjas’ there are 8 consonants i.e ‘C’,’d’,’n’,’g’,’N’,’n’,’j’,’s’, because these characters do not belong to set above mentioned set of vowels.
Problem approach
Given a string ‘STR’ which consists of uppercase and lowercase characters and spaces. Count the number of consonants in the string.
A consonant is an English alphabet character that is not vowel (a, e, i, o, and u). Examples of constants are b, c, d, f, etc.
Example :
Given string 'STR' : ‘Coding Ninjas’ there are 8 consonants i.e ‘C’,’d’,’n’,’g’,’N’,’n’,’j’,’s’, because these characters do not belong to set above mentioned set of vowels.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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