Comviva interview experience Real time questions & tips from candidates to crack your interview
Product Development Engineer
Comviva
4 rounds | 4 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 4 months
Topics: Data Structures, Algorithms, OOPS, Arrays, Strings, Stacks, Queue, Trees, Dynamic Programming, Web Development, Python, Data Analysis
Tip 1 : Solve most asked coding interview questions with various company tags on geeksforgeeks or other coding platforms.
Tip 2 : Have a good understanding of OOPS Concepts.
Tip 3 : Be confident, it's the most important.
Application process
Where: Campus
Eligibility: 7 CGPA
Tip 1 : Do not put false things on resume.
Tip 2 : Have at least two projects on resume, out of which one should be your main project and the other can be your secondary one
Interview rounds
01
Round
Medium
Online Coding Interview
Duration150 Minutes
Interview date24 Sep 2020
Coding problem1
In this round, there were 4 sections of MCQs, along with two coding questions.The test consisted of 2 coding question and 20 questions for each section of quantitative, reasoning,DBMS, DS and C programming language. MCQ part was quite easy with a timer, on each sub part and can be easily solved.
1. Trapping Rain Water
Moderate
15m average time
80% success
0/80
Asked in companies
You have been given a long type array/list 'arr’ of size 'n’.
It represents an elevation map wherein 'arr[i]’ denotes the elevation of the 'ith' bar.
Print the total amount of rainwater that can be trapped in these elevations.
Note :
The width of each bar is the same and is equal to 1.
Example:
Input: ‘n’ = 6, ‘arr’ = [3, 0, 0, 2, 0, 4].
Output: 10
Explanation: Refer to the image for better comprehension:
Note :
You don't need to print anything. It has already been taken care of. Just implement the given function.
Problem approach
Step 1 : Find the highest bar on the left and right, array traversal is needed which reduces the efficiency of the solution.
Step 2 : To make this efficient one must pre-compute the highest bar on the left and right of every bar in linear time.
Step 3 : Then use these pre-computed values to find the amount of water in every array element.
02
Round
Easy
Video Call
Duration30 minutes
Interview date29 Sep 2020
Coding problem1
The 2nd Round was technical interview round.
It started with the usual “Tell me something about yourself”. Further he asked questions based on the skills that i had mentioned on resume, regarding Concepts of Data Science and Machine Learning. Then he asked about OOPS concepts and he also asked few questions on my project.
1. Puzzle
A 16 digits random number was given, I was asked to round off the number by 30
Problem approach
Tip 1 : Try to understand the problem clearly.
Tip 2 : Do ask questions to the interviewer to clear your doubts.
Tip 3 : Try giving the brute force solution first, then start optimizing.
03
Round
Easy
Assignment
Duration45 minutes
Interview date1 Oct 2020
Coding problem1
1. Assignment
Topic is " If Black as a color didn't exist ". Write in about 250 words
Problem approach
Tip 1 : Try to bring out some unique points.
Tip 2 : Do have some creative lines.
04
Round
Easy
HR Round
Duration15 minutes
Interview date3 Oct 2020
Coding problem1
The HR was pretty chill and she asked questions like:-
Tell Me something about yourself.
Do you plan to do Masters
All about my resume
1. Basic HR questions
Tell Me something about yourself
Problem approach
Tip 1 : Try to keep your introduction short and crisp.
Tip 2 : Do add your achievements.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
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