Impact Analytics Software Engineer Intern Trainee Interview Questions and Answers

Q1. Basic QA related Questions
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Coding testing with 15 questions MCQ based

Q1. 1 or 2 DSA questions, rest tech stack related questions were asked
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Q1. This was a technofunctional round, kind of a managerial round.
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Q1. This was a HR round
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Q1. Reg BW and ABAP and XSA
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Q1. Reg sap BW and ABAP and XSA
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Q1. Company structure
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Round duration - 120 minutes
Round difficulty - Easy

After round 1 there was a break of 15 mins and the coding round started.
We had a choice to attempt the exam in R language & SQL or python & sql
I chose python and sql
It had 8 questions 4 python and 4 sql

Q1. 
Longest Common Subsequence Problem Statement
Given two strings, S and T with respective lengths M and N, your task is to determine the length of their longest common subsequence.
A subsequence is a seque...read more
Ans. 
The task is to find the length of the longest common subsequence between two given strings.
• Use dynamic programming to solve this problem efficiently.

• Create a 2D array to store the lengths of longest common subsequences of substrings.

• Iterate through the strings to fill the array and find the length of the longest common subsequence.

• Example: For strings 'abcde' and 'ace', the longest common subsequence is 'ace' with leng
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Round duration - 15 minutes
Round difficulty - Medium

The interview was mostly analytical based and how you approach the round a few technical questions in dbms and oops were also asked.

Round duration - 20 Minutes
Round difficulty - Medium

Similar to first round
For Shortlists after elimination from first round.

Q1. 
Car Pooling Capacity Problem
You are a cab driver with a car that initially has 'C' empty seats. The car moves in a straight line towards the forward direction only. Your job is to determine if it is poss...read more
Ans. 
Determine if it is possible to accommodate all passenger trips within a car's capacity without exceeding it at any point.
• Iterate through each trip and keep track of the total number of passengers in the car at each point.

• Check if the total number of passengers exceeds the car capacity at any point.

• Return 'True' if all trips can be accommodated within the car capacity, otherwise return 'False'.
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Round duration - 20 minutes
Round difficulty - Easy

After two technical round interviews, the last round was a hr interview. The whole process can take up one whole day or more and your interview can be at any time
My process started at 5 pm and ended at 10:30 pm
All the interviewers were very friendly no pressure.

Q1. 
Nth Fibonacci Number Problem Statement
Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.
Input:
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Ans. 
Calculate the Nth Fibonacci number efficiently using dynamic programming.
• Use dynamic programming to store previously calculated Fibonacci numbers to avoid redundant calculations.

• Start with base cases F(1) and F(2) as 1, then iterate to calculate subsequent Fibonacci numbers.

• Time complexity can be optimized to O(N) using dynamic programming.

• Example: For N = 5, the 5th Fibonacci number is 5.
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There were 4 sections-
1.Big data-some multiple choice questions
2.Python-2 basic programming questions
3.SQL-4 case questions on SQL queries
4.Pyspark-Basic multiple choice questions

Same as round 1 but there were no multiple choice questions,it was a subjective paper where they check your thought process and your approach.

Q1. Technical interview was based on -Your project discussion -Big data terminologies,Spark framework,working and architecture -Some case study questions and how you could have optimized it. -SQL basic querie...read more
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Q1. Share details of your previous job.
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Q2. Why are you looking for a change?
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Q3. What are your salary expectations?
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Q4. Tell me about yourself.
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