Wipro pvt interview experience Real time questions & tips from candidates to crack your interview
Project Engineer
Wipro pvt
3 rounds | 9 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 6 months
Topics: Data Structures, Algorithms, System Design, Aptitude, OOPS, DBMS
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: Other
Eligibility: Above 1 years of experience
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
Medium
Online Coding Interview
Duration120 minutes
Interview date19 Oct 2021
Coding problem2
Timing : 11:30 AM
Environment : The test was in online mode. So I gave test in a room away from any disturbances.
Test difficulty : The test was easy to medium. If you prepared well then you can easily crack it.
Key points : Don't panic and read questions properly. Because some questions were also tricky.
1. Covid Vaccination
Moderate
0/80
Asked in companies
We are suffering from the Second wave of Covid-19. The Government is trying to increase its vaccination drives. Ninja wants to help the Government to plan an effective method to help increase vaccination following safety measures. Time is running out. Can you help the nation?
You are given two positive integers: ‘n,’ ‘maxVaccines’ denoting the number of days for which this vaccination drive will go on and the total number of vaccines available for the drive, respectively. You have to find the number of vaccines administered each day. You are also given a number ‘dayNumber,’ and we are interested to know the maximum number of vaccines that can be administered on ‘dayNumber’ th day.
The rules of the vaccination drive :
1. There should be a positive number of vaccines administered each day during the vaccination drive.
2. The absolute difference between the number of vaccines in two consecutive days should not exceed 1.
3. The sum of all the elements of the vaccines array does not exceed maxVaccines, that is, you cannot administer more vaccines than what is provided to you.
4. Vaccines administered on ‘dayNumber’ th day should be maximized.
2. Implement Bubble Sort
Easy
10m average time
90% success
0/40
Asked in companies
Bubble Sort is one of the sorting algorithms that works by repeatedly swapping the adjacent elements of the array if they are not in sorted order.
You are given an unsorted array consisting of N non-negative integers. Your task is to sort the array in non-decreasing order using the Bubble Sort algorithm.
For Example:
Bubble Sort implementation for the given array: {6,2,8,4,10} is shown below :-
02
Round
Medium
Face to Face
Duration60 minutes
Interview date9 Nov 2021
Coding problem5
This round had 2 coding questions followed by some DBMS questions and OOPS questions
1. N-th Fibonacci Number
Moderate
40m average time
70% success
0/80
Asked in companies
You are given an integer ‘N’, your task is to find and return the N’th Fibonacci number using matrix exponentiation.
Since the answer can be very large, return the answer modulo 10^9 +7.
Fibonacci number is calculated using the following formula:
F(n) = F(n-1) + F(n-2),
Where, F(1) = F(2) = 1.
For Example:
For ‘N’ = 5, the output will be 5.
2. Write a program to find weather a number is prime or not
Easy
0/40
Asked in companies
Write a Program to check whether the given number N is prime or not.
For a given number N check if it is prime or not. A prime number is a number that is only divisible by 1 and itself.
3. DBMS Question
Difference between relational and non-relational database
4. OOPS Question
What is polymorphism ?
5. CS Fundamentals Question
Difference between call by reference and call by value
03
Round
Easy
HR Round
Duration30 minutes
Interview date19 Nov 2021
Coding problem2
This was a Technical Cum HR round where I was first asked some basic OOPS related concepts and then we discussed my expectations from the company, learnings and growth in the forthcomig years. I would suggest be honest and try to communicate your thoughts properly in these types of rounds to maximise your chances of getting selected.
1. Basic HR Question
Why should we hire you?
Problem approach
Tip 1 : The cross-questioning can go intense sometimes, think before you speak.
Tip 2 : Be open-minded and answer whatever you are thinking, in these rounds, I feel it is important to have an opinion.
Tip 3 : The context of questions can be switched, pay attention to the details. It is okay to ask questions in these round, like what are the projects currently the company is investing and which team you are mentoring, how is the work environment etc.
2. Basic HR Question
Why are you looking for a job change?
Problem approach
Tip : For an experienced professional seeking a change, this is a common question. The easiest method to respond to this question is to state that you are leaving your current work in order to advance your career. Make sure you don't criticize or speak poorly about the company where you now work.
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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