Interview Experience by Pandugolla Rohit Sai

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Associate Software Engineer

ZeMoSo Technologies

3 rounds | 6 Coding problems

Pandugolla Rohit Sai

Fresher | Nov 2020

Selected

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4 upvotes

Interview preparation journey

Journey

I started my coding journey from the second year of graduation. I asked and consulted seniors on how to start in my career. I started doing DSA. In starting it was not regular but from the seventh semester, I started practicing DSA on regular basis. Meanwhile I also learned Web Development in the last phase of third year. Than, I was ready to apply in different companies.

Application story

I got a message in my telegram group about the company visiting our campus for the hiring of ASE. As, I was in the fourth year, it was sure that I am going to apply for it. I started preparing accordingly and got selected at last.

Why selected/rejected for the role?

I was confident during the full interview process. Actually, I worked a lot on my communications skills and I think they were the main reasons for me getting par the selection process.

Preparation

Duration: 3 months

Topics: Algorithms and Data Structures, DBMS, OS, Puzzles, Dynamic Programming

Tip

Tip 1 : Practise programming questions on daily basis.
Tip 2 : Do not jump into code directly. Brainstorm ideas and arrive at a soltuion.
Tip 3 : Learn OOPS along with real world scenarios and also dbms, os and cn.

Application process

Where: Campus

Eligibility: Above 9 CGPA

Resume tip

Tip 1 : Keep it on a Page and Think like a employer when preparing resume.
Tip 2 : Your resume isn’t a list of everything you’ve ever done. Carefully curate the experiences that best capture your skills and problem-solving abilities.
Tip 3 : Include projects and highlight your achievements

Interview rounds

Round

Medium

Online Coding Interview

Duration50 minutes

Interview date13 Nov 2020

Problems1

Ninja And Alternating Largest

Ninja is given a few numbers, and he is being asked to rearrange the numbers so that every second element is greater than its left and right element.

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Round

Medium

Video Call

Duration60 minutes

Interview date13 Nov 2020

Problems3

Longest Common Prefix After Rotation

You are given two strings 'A' and 'B' where string 'A' is fixed. But you can perform left shift operations on string B any number of times.

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OS Questions

1. What is the main purpose of an operating system?
2. What is the difference between process and program?
3. What is the use of paging in operating system?
4. What is the concept of demand paging?

DBMS Qustions

1. What is Normalization and why do we use it?
2. Write an SQL query to find the position of the alphabet (‘o’) in the first name column ‘Zemoso’ from Company table.
3. Write an SQL query to fetch duplicate records having matching data in some fields of a table.

Round

Medium

Video Call

Duration30 minutes

Interview date13 May 2021

Problems2

Sub Sort

You are given an integer array ‘ARR’. You have to find the length of the shortest contiguous subarray such that, if you sort this subarray in ascending order, then the whole array wi...

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Aptitude Question

You have ten stacks of ten coins each and each of them weighs 10 gm. However, one of the stacks is faulty and each of the coins in it weighs only 9 gms. What is the least number of times you have to weigh to find the faulty coin?