Engati Sdet Interview Questions and Answers

Aptitude test had an ample of time(75 min). Consisted of only 20 questions (10 simple aptitude and 10 C output predictions).There were no options given, it was pen and paper test.

The coding round was split into 2.First phase they will give you 2 basic questions(mostly one pattern question) you should be able to complete it within 30 min. If not you should walk away.in the second phase 3 medium level DSA questions will be given you should solve it with 45 min(not sure).You should code them without using any inbuilt library functions.

Round duration - 240 mins
Round difficulty - Easy

C++/Java on any code editor with screen share and video call for rounds 3 and 4.

Q1. 
Find Duplicates in an Array
Given an array ARR of size 'N', where each integer is in the range from 0 to N - 1, identify all elements that appear more than once.
Return the duplicate elements in any orde...read more
Ans. 
Find duplicates in an array of integers within a specified range.
• Iterate through the array and keep track of the count of each element using a hashmap.

• Return elements with count greater than 1 as duplicates.

• Time complexity can be optimized to O(N) using a HashSet to store seen elements.
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Q2. 
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...read more
Ans. 
Given two numbers represented as arrays, calculate their sum and return the result as an array.
• Iterate through the arrays from right to left, adding digits and carrying over if necessary

• Handle cases where one array is longer than the other by considering the remaining digits

• Ensure the final sum array does not have any leading zeros
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Round duration - 30 mins
Round difficulty - Easy

This was the final round for me

1hr mostly was c questions focusing on pointers, arrays and strings. Few logical questions were there too

2hrs, 5 questions. 1 easy and 4 medium. All leetcode type problems with arrays, strings and matrix

2hrs, simple application development like creating a backend for shopping application. Only simple functions like adding products, quantity, ordering, if quantity is not there then refuse the order and such. Was not asked for DB implementations.

Q1. How to merge a list of sorted arrays in sorted order?
Ans. 
Merge sorted arrays using a min heap to maintain sorted order.
• Create a min heap and insert the first element from each array into the heap.

• Pop the smallest element from the heap and add it to the result array.

• Replace the popped element in the heap with the next element from the same array.

• Continue this process until all elements are merged.
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Q2. Simple discussions about oops, project etc
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Q1. Self introduction for 2 mins
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Q2. Why do you want to join Zoho?
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Q3. What kinda word does Zoho do
Ans. 
Zoho is a software company that provides cloud-based business applications.
• Zoho offers a suite of productivity and collaboration tools such as Zoho CRM, Zoho Books, and Zoho Projects.

• Zoho's products are designed to help businesses manage their operations more efficiently.

• Zoho's software is cloud-based, allowing users to access their data from anywhere with an internet connection.
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15 questions in 30 mins

Questions on string

Very basic problem solving round

Q1. Medium level DSA problem solving round
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Easy round a hackerrank test with easy to medium problems

Q1. Question based on binary search
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Q1. Nothing much just the offer discussion
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