Icertis Interview Questions, Process, and Tips

Hacker Earth Platform on Datastructures

Q1. On Object oriented, 2 -3 coding questions on Arrays, DS
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Q1. Based on your profile, questioning would be
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Q2. Implemenation, data migration, communication. This would suffice
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LC Easy-Medium level questions

Q1. LC Medium questions + discussion based on your resume.
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Round duration - 120 Minutes
Round difficulty - Easy

The first round(online test) comprised of MCQ questions including logical, aptitude, logical, and 2 coding questions. The test duration was 120 minutes. To prepare for sections except for the coding section. The coding questions were of 150 marks:

Question 1 - 100 marks 

Question 2 -> 50 marks

Q1. 
Group Anagrams Problem Statement
Given an array or list of strings called inputStr, your task is to return the strings grouped as anagrams. Each group should contain strings that are anagrams of one anoth...read more
Ans. 
Group anagrams in an array of strings based on their characters.
• Iterate through the array of strings and sort each string to create a key for grouping anagrams.

• Use a hashmap to store the sorted string as key and the list of anagrams as values.

• Return the values of the hashmap as the grouped anagrams.
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Round duration - 50 Minutes
Round difficulty - Medium

This was L1- Technical Interview which was held on HackerEarth Assessments which had a code editor in which both, I and the interviewer can type. He asked me about my projects and some topics related to it.

Q1. 
Rotting Oranges Problem Statement
You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:
• 0 - representing an empty cell
• 1 - representing a fre...read more
Ans. 
Find the minimum time required to rot all fresh oranges in a grid.
• Iterate through the grid to find rotten oranges and their adjacent fresh oranges

• Use BFS or DFS to simulate the rotting process and track the time taken

• Return the minimum time taken to rot all fresh oranges or -1 if not possible
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Q2. 
Gas Station Tour Problem
You are presented with a circular track consisting of several petrol pumps. Each petrol pump is indexed from 0 to N-1 and offers certain attributes:
• The quantity of petrol ava...read more
Ans. 
The Gas Station Tour Problem involves finding the first petrol pump from which a truck can start its journey and complete a circular track.
• Calculate the difference between petrol available and distance to the next pump at each station.

• If the total sum of differences is negative, a full circle is not possible.

• If the total sum of differences is positive, the starting index is the first station where the cumulative sum be
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Round duration - 50 Minutes
Round difficulty - Medium

This round was held on Microsoft Teams with a senior employee at Icertis. This round was very relaxed. The interviewer made me comfortable by asking some simple questions and then moved on to asking about my preferred Data Structure. I told him that, I like arrays the most.

Q1. 
Buy and Sell Stock Problem Statement
Imagine you are Harshad Mehta's friend, and you have been given the stock prices of a particular company for the next 'N' days. You can perform up to two buy-and-sell ...read more
Ans. 
The task is to determine the maximum profit that can be achieved by performing up to two buy-and-sell transactions on a given set of stock prices.
• Iterate through the array of stock prices to find the maximum profit that can be achieved by buying and selling stocks.

• Keep track of the maximum profit that can be achieved by considering all possible combinations of buy and sell transactions.

• Ensure that you sell the stock be...read more
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Q1. Why did you leave last org?
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In Aptitude test they have asked basic question of .net, sql server

In coding they have asked for writing palindrome in c#

Q1. Interviewer asked me several question on .net, Sql server etc
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Q2. Please explain Core CLR, CTS
Ans. 
Core CLR is the runtime used by .NET Core to execute applications. CTS stands for Common Type System, which defines how types are declared, used, and managed in the runtime.
• Core CLR is the runtime environment used by .NET Core to run applications

• CTS is the Common Type System in .NET, which ensures that all types are declared, used, and managed consistently in the runtime

• Core CLR provides cross-platform support for runn...read more
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Q1. Why you want to join icertis
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