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Park Plus Backend Developer Interview Questions and Answers
Park Plus Backend Developer Interview Experiences
2 interviews found
Anonymous
I applied via Walk-in and was interviewed in Feb 2024. There was 1 interview round.
There was a coding test on the spot comprising of 7 mcqs on sys design and computer network and then 2 dsa questions.
Interview Preparation Tips
Shorya Garg
10 MCQ on CS fundamentals
2 coding questions medium level
(1 Question)
- Q1. 1. Merge two sorted array 2. Calculate first occurence of one in infinite array of 0 and 1
- Ans.
Merging two sorted arrays and finding the first occurrence of one in an infinite array of 0 and 1.
Use the merge sort algorithm to merge two sorted arrays.
For finding the first occurrence of one in an infinite array, use binary search with an expanding range.
Handle edge cases like empty arrays or infinite array with no occurrence of one.
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I applied via Instahyre and was interviewed in Jan 2024. There was 1 interview round.
The interviewer first asked me a puzzle and then asked me two DSA questions.
Puzzle: There are a large number of people sitting in a circular table with numbering as 1,2,3..
Given two numbers a and b, how to find out whether they are sitting opposite to each other or not.
DSA 1: Finding out the minimum capacity required to load the ship with all the weights given in an array in d days. (Binary Search approach)
DSA2: Given an array containing information about parents of a node in a tree, and q queries. Each query would contain the node number and a value n. You have to find the nth parent for the given node. You have to do this in such a way that the time complexity is less than linear and the memory usage is also minimal.
This was a tricky question where I was unable to give a logarithmic solution initially but with some hints from the interviewer, I was able to approach it.
Interview Preparation Tips
For DSA, be prepared with the standard DSA questions of every topic and whether or not you have solved the question earlier does not matter. Just be confident and look for solvong the question step by step.
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