ICICI Bank Validation Engineer Interview Questions and Answers

Three questions all DP , medium to hard

Q1. Unique elements in array
Ans. 
Find unique elements in an array of strings
• Iterate through the array and use a Set to store unique elements

• Check if each element is already in the Set before adding it

• Return the Set as an array of unique elements
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It was quantitative aptitude test with some coding questions

Q1. This round was to majorly check our confidence and communication style. I was asked to explain the projects that I have done..then some general analytical based questions that were non technical.
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Q2. Why didn't you want to pursue higher studies?
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Q3. Tell me about urself and the projects you have done
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Basic code to be written

Island Perimeter and Number of Provinces. Basic Leetcode question

Behavioural and culture fit

Q1. System design , HLD, LLD , coding question
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DSA , LLD on bar raiser

DSA, SQL and discussions around projects

Q1. Design a notification system
Ans. 
A notification system to alert users of important events or updates.
• Define types of notifications (e.g. email, SMS, push notifications)

• Implement a user preference setting for notification frequency

• Include a notification history for users to review past alerts
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HackerEarth / Hacker rank Test

Q1. Find the lowest cost when given days you want to use metro if you have cost of a day 1 ,7 and 30 day pass. DP Problem
Ans. 
Using dynamic programming to find the lowest cost for metro passes based on given days.
• Create an array to store the minimum cost for each day.

• Iterate through each day and calculate the minimum cost based on 1, 7, or 30 day pass.

• Update the minimum cost for each day using dynamic programming.

• Return the minimum cost for the total number of days needed.
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Q1. Normal HR Questions
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