Groww Software Developer Interview Questions and Answers

Q1. Why you want to switch
Ans. 
Seeking new challenges and growth opportunities in a different environment.
• Desire to work on new technologies and projects

• Opportunity for career advancement

• Seeking a better work-life balance

• Interested in a different company culture or team dynamic
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Round duration - 90 Minutes
Round difficulty - Medium

Q1. Cycle Detection in a Singly Linked List
You have given a Singly Linked List of integers, determine if it forms a cycle or not.
A cycle occurs when a node's next points back to a previous node in the ...read more
Ans. Outer And Inner Loop
We are going to have two loops outer-loop and inner-loop 
1. Maintain a count of the number of nodes visited in outer-loop.
2. For every node of the outer-loop, start the inner loop from head.
3. If the inner-loop visits the node next to the outer-loop node, then return true, else repeat the process for the next iteration of outer-loop.
4. If outer-loop reaches the end of list or null, then return false.
Space ...read more
Answered by CodingNinjas
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Q2. Next Greater Element
For a given array/list of integers of size N, print the Next Greater Element(NGE) for every element. The Next Greater Element for an element X is the first element on the right side of...read more
Ans. Brute Force
For every element in the array, we will run a loop on its right side. As soon as we find an element on its right side which is greater than it, we will break the loop, assign it as the NGE of this element, move forward, and do the same for the next element.
Space Complexity: O(1)Explanation:
O(1)
 
No extra space is used.
Time Complexity: O(n^2)Explanation:
O(N ^ 2),  Where N is the number of elements ...read more
Answered by CodingNinjas
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Round duration - 60 Minutes
Round difficulty - Medium

Q1. System Design Question
Design ATM machine
Ans. 
Tip 1 : OOP priciples are must
Tip 2 : Database knowledge
Tip 3 : Coding practices
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Round duration - 45 Minutes
Round difficulty - Easy

Q1. Basic HR Questions
Normal HR stuff, your expectations from role, college experience, expectiation from job and office life
Ans. 
Tip 1 : Be honest
Tip 2 : Be humble
Tip 3 : Show why you are interested
Answered by CodingNinjas
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