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Cigna Software Engineer Interview Questions and Answers
Cigna Software Engineer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Recruitment Consulltant and was interviewed in Mar 2024. There were 2 interview rounds.
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Interview Questionnaire
8 Questions
- Q1. Given two “ids” and a function getFriends(id) to get the list of friends of that person id, write a function that returns the list of mutual friends
- Ans.
Function to return mutual friends given two ids and getFriends(id) function
Call getFriends(id) for both ids to get their respective friend lists
Iterate through both lists and compare to find mutual friends
Return the list of mutual friends
- Q2. Given an “id” and a function getFriends(id) to get the list of friends of that person id, write a function that returns the list of “friends of friends” in the order of decreasing number of mutual friends,...
- Ans.
Function to return list of friends of friends in decreasing order of mutual friends
Use a set to store all friends of friends
Iterate through the list of friends of the given id
For each friend, iterate through their list of friends and count mutual friends
Sort the set of friends of friends by decreasing number of mutual friends
- Q3. Given a number of time slots – start time and end time,“a b”, find any specific time with the maximum number of overlapping. After solving the problem I had to prove my solution
- Ans.
Given time slots, find a specific time with maximum overlap. Prove solution.
Create a list of all start and end times
Sort the list in ascending order
Iterate through the list and keep track of the number of overlaps at each time
Return the time with the maximum number of overlaps
Prove solution by testing with different input sizes and edge cases
- Q4. Given an array of Integers, find the Longest sub-array whose elements are in Increasing Order
- Ans.
Find the longest sub-array with increasing order of integers.
Iterate through the array and keep track of the current sub-array's start and end indices.
Update the start index whenever the current element is smaller than the previous element.
Update the end index whenever the current element is greater than or equal to the next element.
Calculate the length of the sub-array and compare it with the longest sub-array found s
- Q5. Given an array of Integers, find the length of Longest Increasing Subsequence and print the sequence.
- Ans.
Find the length of longest increasing subsequence and print the sequence from an array of integers.
Use dynamic programming to solve the problem
Create an array to store the length of longest increasing subsequence ending at each index
Traverse the array and update the length of longest increasing subsequence for each index
Print the sequence by backtracking from the index with the maximum length
Time complexity: O(n^2)
Exam...
- Q6. Given a Sorted Array which has been rotated, write the code to find a given Integer
- Ans.
Code to find a given integer in a rotated sorted array.
Use binary search to find the pivot point where the array is rotated.
Divide the array into two subarrays and perform binary search on the appropriate subarray.
Handle edge cases such as the target integer not being present in the array.
- Q7. You have a number of incoming Integers, all of which cannot be stored into memory. We need to print largest K numbers at the end of input
- Ans.
Use a min-heap to keep track of the largest K numbers seen so far.
Create a min-heap of size K.
For each incoming integer, add it to the heap if it's larger than the smallest element in the heap.
If the heap size exceeds K, remove the smallest element.
At the end, the heap will contain the largest K numbers in the input.
- Q8. Implement LRU Cache
- Ans.
LRU Cache is a data structure that stores the most recently used items and discards the least recently used items.
Use a doubly linked list to keep track of the order of items in the cache
Use a hash map to store the key-value pairs for fast access
When an item is accessed, move it to the front of the linked list
When the cache is full, remove the least recently used item from the back of the linked list and the hash map
Interview Preparation Tips
Experience: Facebook visited our campus in July, 2012. We had an online coding round hosted on InterviewStreet. We were asked to solve just one problem. The given problem boils down to : Given a undirected graph, source and destination, write the code to find the total number of distinct nodes visited, considering all possible paths.
Tips: Those shortlisted had to fly to Delhi for a Personal Interview. There were four rounds of interview, each of 45 minutes. The questions were simple. But just solving the given problem wasn't enough.
There was much more interaction and short questions asked related to the problem
Round: Technical Interview
Experience: The above mentioned questions wer asked in the interview. For every solution I was asked to write the code on paper. The code should also include the implementation of the data structures used (I used heaps - so I was asked to implement heaps ). They are looking for someone with good problem solving skills and conceptually sound in data structures
College Name: BIT MESRA
Skills evaluated in this interview
Interview Preparation Tips
Experience: You need to submit your CV and they shortlist you on this basis.Fast and accurate coding.
Tips: Clearly specify any technical achievement.
Round: Coding
Experience: You are given 4 hours to solve a few algorithmic questions.Start practicing for this from sometime earlier.
Tips: There are puzzles available on the Facebook page.
Round: Technical Interview
Experience: Three interviews. All almost exclusively technical with 1-2 HR questions.
The questions are mainly algorithmic in nature and you need to code online while talking to them.
Tips: Be as accurate and clean with your code as possible.
General Tips: Be creative while answering the questions. They might ask you questions like 'What changes would you want to make to Facebook?'.
Prepare algorithmic questions for the interviews. Most companies like Facebook, Google, Microsoft and others focus on this.
Technical projects or internships will be beneficial.
Qualifying for or winning programming contests like overnite is very beneficial. Involvement in Social/Cultural activities or sports is not really essential.
Skill Tips: Being good at writing fast and correct code in any language helps a lot.
Skills: Programming
College Name: IIT KHARAGPUR
Darshil Babel
Interview Preparation Tips
Experience: Basic Aptitude and logic based questions.
Tips: Practice on questions similar to CAT.
Duration: 60 min minutes
Total Questions: 30
Round: Test
Experience: 15 MCQ + 3 programming + 2 networking based questions.
Tips: Problems are not so tough. Time is the only constraint. Keep it fast.
Duration: 30 minutes
Total Questions: 20
Round: Technical Interview
Experience: Find questions at -----/
Skill Tips: ""
College Name: IIT Indore
karupusamy
Interview Questionnaire
1 Question
- Q1. Explain about ur project..?
- Ans.
Developed a web-based project management tool for a software development company.
Used Agile methodology for development
Implemented user authentication and authorization using JWT
Integrated with GitHub for version control
Used React for front-end and Node.js for back-end
Implemented real-time chat feature using Socket.io
Interview Preparation Tips
Duration: 2 hours minutes
Skills: Algorithms And Data Structures
College Name: IIT Madras
Funny Moments: HR asked what are languages u like?
i answered Tamil,English.
I appeared for an interview before Jul 2016.
Interview Preparation Tips
Duration: 2 hours
Total Questions: 100
Round: Group Discussion
Duration: 15 minutes
College Name: Gtbit
Interview Questionnaire
3 Questions
- Q1. Some question on KMP
- Q2. Simulation Question
- Q3. Topological Sort Question
Interview Preparation Tips
Experience: Simple
Tips: Online Coding Questions
Duration: 60 minutes
Round: Technical Interview
Experience: Moderately difficult
Tips: Thorough understanding of all the algorithms is required.
Round: Technical Interview
Experience: Easy
Tips: Need to start a question afresh without attacking it the way you have solved questions in the past
Round: Technical Interview
Experience: Easy/moderately difficult
Tips: The idea was not that easy to click.
Skills: Coding
College Name: IIT BOMBAY
Motivation: Facebook has revolutionised social networking.
Interview Preparation Tips
Tips: Just try coding as much as you can in the four years of graduation.
Round: Interview
Experience: Three Coding Interview and a Behavioral Interview were conducted.
Tips: Try to get some prior knowledge about the company's infrastructure.w
General Tips: Practice as much problems as you can online or offline.
Skill Tips: Coding is the key for any software company.
Skills: Coding
College Name: IIT KHARAGPUR
Motivation: Its the best in business
Parag Jain
I appeared for an interview in Sep 2016.
Interview Questionnaire
21 Questions
- Q1. Given a square with side L and a circle is inscribed in it. Find the area in the square except the circle. (Pretty simple apti question)
- Ans.
Area of square except inscribed circle
Find area of square
Subtract area of circle from square
Area of square = L^2, Area of circle = pi*(L/2)^2
Answer = L^2 - pi*(L/2)^2
- Q2. Write a program to find fibonacci series.. i.e. take an input from user, let's say n and then print first n fibonacci numbers (Cakewalk)
- Q3. Write a program to find factorial using recursion (again, simple one)
- Ans.
A program to find factorial using recursion.
Define a function that takes an integer as input.
Check if the input is 0 or 1, return 1 in that case.
Otherwise, call the function recursively with input-1 and multiply it with the input.
- Q4. What are indexes, views? (DBMS)
- Ans.
Indexes are data structures that improve the speed of data retrieval operations in a database. Views are virtual tables created from queries.
Indexes are used to quickly locate data in a database by creating a sorted structure that allows for efficient searching.
Views are virtual tables that are created by executing a query and storing the result set as a named object.
Indexes can be created on one or more columns of a t...
- Q5. For an employee table write possible fields in it and similarly for dept. table and then find primary key and foreign key in these tables.
- Q6. How indexes are implemented? (Ans - B Trees, B+ Trees)
- Ans.
Indexes are implemented using B Trees and B+ Trees.
B Trees and B+ Trees are data structures used to organize and efficiently search data in databases.
B Trees are balanced search trees that store data in nodes with multiple children.
B+ Trees are similar to B Trees but have additional features like leaf nodes that form a linked list.
Indexes are created on specific columns of a database table to improve query performance.
...
- Q7. What are the things other than indexes and tables present in a dbms? (Ans - Views, .. etc.)
- Ans.
Other than indexes and tables, a DBMS also includes views, stored procedures, triggers, and functions.
Views: Virtual tables that are based on the result of a query. They provide a way to simplify complex queries and restrict access to data.
Stored Procedures: Precompiled sets of SQL statements that can be executed with a single command. They enhance performance and allow for code reusability.
Triggers: Special types of s...
- Q8. What are the roles of a database administrator?
- Ans.
A database administrator manages and maintains databases, ensuring their security, performance, and availability.
Designing and implementing database structures
Installing and configuring database software
Monitoring and optimizing database performance
Ensuring data integrity and security
Backing up and restoring databases
Troubleshooting and resolving database issues
Collaborating with developers and system administrators
Pla...
- Q9. Then he gave a binary tree to me, asked me to write inorder traversal for that. (simple, hah)
- Q10. Then asked me to write few numbers in sorted order..asked to perform binary search on them to find a particular number.
- Q11. Types of integrity in dbms? (Ans- Foreign, referential, domain)
- Ans.
Types of integrity in DBMS include foreign, referential, and domain.
Foreign integrity ensures that foreign key values in a table match primary key values in another table.
Referential integrity ensures that relationships between tables are maintained, preventing orphaned or invalid data.
Domain integrity ensures that data in a column adheres to specified data types, formats, or constraints.
For example, in a database for ...
- Q12. What is SDLC(Software Development Life Cycle) and what are it's phases?
- Ans.
SDLC is a process followed by software development teams to design, develop and test high-quality software.
SDLC stands for Software Development Life Cycle
It consists of several phases including planning, analysis, design, implementation, testing, and maintenance
Each phase has its own set of activities and deliverables
The goal of SDLC is to produce high-quality software that meets customer requirements and is delivered ...
- Q13. What is agile methodology?
- Ans.
Agile methodology is an iterative and incremental approach to software development.
Agile methodology emphasizes collaboration, flexibility, and customer satisfaction.
It involves breaking down the project into small, manageable tasks called user stories.
Teams work in short iterations called sprints, typically 1-4 weeks long.
Regular meetings like daily stand-ups and sprint reviews are held to track progress and gather fe...
- Q14. Why UHG?
- Q15. Where do you see yourself after 3-5 years?
- Ans.
In 3-5 years, I see myself as a senior software engineer leading a team of developers on innovative projects.
Advancing to a senior software engineer role
Leading a team of developers on projects
Working on innovative and challenging projects
Continuing to learn and grow in the field
- Q16. How do you like himachal? (As I'm from plains and I study here in himachal)
- Q17. Introduce yourself!
- Ans.
I am a passionate software engineer with experience in developing web applications using various technologies.
Experienced in full-stack web development
Proficient in languages such as JavaScript, Python, and Java
Familiar with frameworks like React, Node.js, and Django
Strong problem-solving skills and ability to work in a team
Completed projects like e-commerce website using MERN stack
- Q18. Tell 1 thing which is not present in the resume and which you want from life.
- Ans.
I want to learn how to play the piano.
I have always been fascinated by music and the piano in particular.
Learning to play an instrument can be a great way to relax and unwind.
Playing the piano can also improve cognitive skills and memory.
I believe learning to play the piano will bring me joy and fulfillment.
- Q19. Then asked me questions with obvious answers like "Are you willing to relocate?", "Are you ready to work in night shifts?" etc.
- Q20. Asked me some questions regarding my family.
- Q21. My strengths and weaknesses.
- Ans.
My strengths include problem-solving skills and attention to detail. My weaknesses include public speaking and time management.
Strengths: problem-solving skills, attention to detail
Weaknesses: public speaking, time management
Interview Preparation Tips
Experience: The first round was a pen and paper aptitude test. The test consisted of questions from quantitative aptitude, logical reasoning, analytical reasoning and what not. It had all types of aptitude questions. The level of test was very high. Questions were very lengthy. I could only manage to solve around 15 questions in the time limit. +1 was given for correct answer and -0.5 for wrong answer. Though the cutoff to clear the test was around 7-8 out of 30, only 28 students out of the 150 students sat were able to clear the test.
Tips: 1. Do practice aptitude questions as much as you can before going for the test.
2. Don't try to guess any question's answer. If you are not getting it, just leave it.
3. Maintain the speed.
Duration: 45 minutes
Total Questions: 30
Round: Test
Experience: The second round was the pen and paper coding round. This round was mandatory for computer science students and optional for other branches. There were 3 questions given to us for which we had to write the code in any of the programming language we know.
The 3 questions that we got were:
1. Sort the array of pairs
2. Find mirror of the binary tree
3. LCS
All of the codes were pretty simple.
This test was taken just for the sake of asking questions in the interview and not for the selection for interview. Selection for interview was done completely on the basis of aptitude test.
Tips: 1.Just stay calm and cool. You would be having enough time to write. ;)
2. Practice on geeksforgeeks
Duration: 30 minutes
Total Questions: 3
Round: Technical Interview
Experience: This round was pretty simple. I had written ds, ada and dbms in my resume. That's why he asked me all the questions from them only. I answered almost all the questions quickly and got called for the 2nd interview after few minutes. This interview lasted for around 35-40 minutes. The interviewer was very friendly. He even offered me coffee and biscuits in between.
Tips: 1. Just stick to the basics of the core subjects.
2. Be very careful and specific about the things you mention in your resume.
3. Stay calm and cool.
Round: Technical Interview
Experience: This interview was fun to me. I enjoyed it a lot. It was a technical-cum-HR interview :D He started by asking questions regarding SDLC and as I started with that, he started making questions from the answers I was giving. He asked me questions regarding working in teams, that would I be comfortable working in a team with a boss or in a team where there is no boss. I answered all the questions very carefully giving him a valid reason. This interview lasted for around 25-30 minutes.
Tips: 1. Do your ground work about the company before going for the interview like you should be very clear about optum and UnitedHealth Care in which the UHG is divided and about their visions.
2. Enjoy the interview and do keep a short smile on your face. :)
Round: HR Interview
Experience: This round lasted for around 10-15 minutes only. The interviewer was very calm and friendly. As I went in, I was shivering, he then asked me if I'm nervous? I said no. He then made me feel calm by telling stories of his time when he was at my stage giving interviews and about other things that stage fear is a normal thing and butterflies in stomachs are also normal. After that I enjoyed answering to him each question :)
Tips: Stay confident.
Skills: Aptitude, Basics of programming, Confidence, LOGICAL THINKING ABILITIES
College Name: NIT Hamirpur
Skills evaluated in this interview
Arpit Gupta
I appeared for an interview in Nov 2016.
Interview Questionnaire
3 Questions
- Q1. Draw a activity flow diagram for ola cabs management system and washing machine .
- Ans.
Activity flow diagrams for Ola cabs management system and washing machine.
Ola cabs management system: User books a cab -> Driver accepts the ride -> User gets picked up -> User reaches destination -> Payment is made.
Washing machine: User selects wash cycle -> Machine fills with water -> Detergent is added -> Machine agitates clothes -> Water drains -> Clothes are rinsed -> Machine spins clothes -> Cycle ends.
- Q2. Photoelectric effect ,basic puzzles , aptitude questions and some general questions.
- Q3. Basic questions about me, my future plans and asked to draw a sketch of whatever things going in my mind .
Interview Preparation Tips
Tips: learn the basic flow diagram for washing machines,cabs, aeroplane etc.
Round: Technical + HR Interview
Tips: learn some basic puzzles from different sites,put some efforts on aptitude .
Round: HR Interview
Tips: Be confident and keep a smile on your face.
Skills: Technical Questions, Apptitude, Puzzle Solving Capability, Communication
College Name: NIT Raipur
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