Optmyzr Interview Questions, Process, and Tips

3 DSA problems and 3 SQL queries

2 DSA question and 1 oops based question (file handling),Project Description

Q1. Description abot Project
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Q2. Describe About Project
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It consisted of some mcqs , 2 coding questions, 1 sql query

It consisted of 2 coding questions , 1 lld question,1 file handling question

Q1. Projects were asked
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Basic level questions

2 dp problems and 1 file handelling

Round duration - 110 minutes
Round difficulty - Medium

There were MCQs related to Aptitude, OS, DBMS, Coding Outputs, and Networks. And There were also 2 Coding Questions in the last.

Q1. DFS Traversal
Given an undirected and disconnected graph G(V, E), containing 'V' vertices and 'E' edges, the information about edges is given using 'GRAPH' matrix, where i-th edge i...read more
Ans. DFS For Each Connected Component
• Run a loop from 0 to V-1 and if this vertex is not visited do a DFS from this vertex and add all the reachable vertex to a vector/list ‘singleComponent’.
• Sort the singleComponent vector/list in increasing order and add it to the answer vector/list which is called ‘components’.
• Print the size of the vector/list ‘components’ on the first line.
• On each line after the first, print one sing...read more
Answered by CodingNinjas
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Round duration - 120 minutes
Round difficulty - Medium

It was a coding round. We have to solve the 3 coding questions in 120 minutes.

Q1. Trapping Rain Water
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. Pri...read more
Ans. Brute Force Approach
The idea here is to travel over every elevation on the map and calculate the units of water the elevation can store.
 
Here is the algorithm :
 
1. Iterate over every elevation or element and find the maximum elevation on to the left and right of it. Say, the maximum elevation on to the left of the current elevation or element that we are looking at is ‘maxLeftHeight’ and the maximum elevation on...read more
Answered by CodingNinjas
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Round duration - 45 minutes
Round difficulty - Medium

This round was only to test my technical knowledge of various Core CSE Subjects, and along with this, projects from my CV discussed as well.

Q1. OS Question
Tell us the difference between a thread and a process.
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Q2. DBMS Question
How Passwords have been stored in the DBMS?
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Round duration - 45 minutes
Round difficulty - Medium

This round was basically to judge my Soft Skills like how I speak, and how well are my communication skills.

Q1. Basic HR Questions
How quickly do you adapt to new technology?
What software packages are you familiar with?
Ans. 
Tip 1 : If the interviewer has told it like tell me about yourself 'your name'. Then never ever start with your name.
Tip 2 : Always be specific about yourself.
Tip 3 : Try to impress the interviewer in less than 30 seconds.
Answered by CodingNinjas
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