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Park Plus Sde1 Interview Questions, Process, and Tips

Updated 27 Apr 2022

Park Plus Sde1 Interview Experiences

1 interview found

Sde1 Interview Questions & Answers

user image Anonymous

posted on 27 Apr 2022

Round 1 - Technical 

(8 Questions)

  • Q1. 1. What is a doubly-linked list? And real-world applications.
  • Ans. 

    A doubly-linked list is a data structure where each node contains a reference to both the previous and next nodes.

    • Allows traversal in both directions

    • Used in implementing LRU cache

    • Used in browser history

    • Used in undo-redo functionality

  • Answered by AI
  • Q2. 2. Advantage of doubly linked list over singly LL?
  • Ans. 

    Doubly linked list allows traversal in both directions, while singly linked list only allows traversal in one direction.

    • Doubly linked list allows for efficient deletion of nodes compared to singly linked list.

    • Doubly linked list can be traversed in both forward and backward directions.

    • Doubly linked list can be used to implement a stack or queue.

    • Singly linked list requires less memory than doubly linked list.

    • Doubly linke...

  • Answered by AI
  • Q3. 3. Applications of Graph Data Structure
  • Ans. 

    Graph data structure is used in various applications such as social networks, routing algorithms, and recommendation systems.

    • Social networks use graphs to represent users and their connections.

    • Routing algorithms use graphs to find the shortest path between two points.

    • Recommendation systems use graphs to analyze user behavior and suggest relevant items.

    • Graphs are also used in computer networks, image processing, and mac...

  • Answered by AI
  • Q4. 4. Tree Traversals (Inorder, Preorder and Postorder)
  • Q5. 5. Remove duplicate elements and sort related scenario-based questions. Have to discuss the approach and then have to code it.
  • Q6. 6. Similar to bubble sort. Have to discuss the approach and then have to code it.
  • Q7. 7. What is the difference between In-memory DB and MySQL?
  • Ans. 

    In-memory DB stores data in RAM for faster access while MySQL stores data on disk.

    • In-memory DB is faster than MySQL as it eliminates disk I/O operations.

    • In-memory DB is suitable for real-time applications that require low latency.

    • MySQL is suitable for applications that require data persistence and durability.

    • In-memory DB may not be suitable for large datasets as it requires a lot of RAM.

    • MySQL supports complex queries a...

  • Answered by AI
  • Q8. 8. SQL related basic questions
Round 2 - Technical 

(7 Questions)

  • Q1. 1. Difference between RDBMS and NoSQL
  • Ans. 

    RDBMS is a structured database that uses SQL while NoSQL is a non-relational database that doesn't use SQL.

    • RDBMS stores data in tables with predefined schema while NoSQL stores data in documents, key-value pairs, or graphs.

    • RDBMS is good for complex queries and transactions while NoSQL is good for scalability and handling unstructured data.

    • Examples of RDBMS include MySQL, Oracle, and SQL Server while examples of NoSQL i

  • Answered by AI
  • Q2. 2. What is indexing?
  • Ans. 

    Indexing is the process of organizing data in a database or search engine to improve search efficiency.

    • Indexing creates a data structure that allows for faster retrieval of information.

    • It involves creating an index that maps the location of data in a database or search engine.

    • Indexing can be done on various types of data, such as text, numbers, and dates.

    • Examples of indexing methods include B-tree, hash, and bitmap ind

  • Answered by AI
  • Q3. 3. Scenario-based question: One employee table is there. We execute query One without indexing, one with indexing. What will be the difference?
  • Q4. 4. Explain the internal working of the above question.
  • Ans. 

    The question is unclear and requires clarification.

    • The question is not specific about what 'above question' it is referring to.

    • The term 'internal working' is also vague and needs to be defined.

    • Without more information, it is impossible to provide a meaningful answer.

  • Answered by AI
  • Q5. 5. Print the right view of the binary tree. Have to discuss the approach and then have to code it.
  • Q6. 6. Different modifications in the above question and then have to tell approaches like print left view of a binary tree.
  • Q7. 7. Print internal nodes of a binary tree (internal nodes means except nodes present in the left and right view)
  • Ans. 

    Print internal nodes of a binary tree (excluding left and right view nodes)

    • Traverse the tree in post-order and check if the node has both left and right children

    • If yes, then it is an internal node and print it

    • If no, then continue traversing the tree

    • Example: For the tree 1-2-4-5-3, the internal nodes are 2 and 4

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. They ask you to introduce yourself, followed by questions regarding your background goals, strengths, etc.

Interview Preparation Tips

Topics to prepare for Park Plus Sde1 interview:
  • Questions from your projects
Interview preparation tips for other job seekers - It is advisable to practice questions online from resources like Leetcode to improve your problem-solving ability. Good Knowledge of Database Management and DSA is essential. While explaining your approach to the interviewer, it would be great to explain it with some examples, which will make it easier for him to understand your approach.

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Coding questions around android

Round 2 - Technical 

(3 Questions)

  • Q1. Data structures questions
  • Q2. Binary sort in array
  • Ans. 

    Binary sort is a search algorithm that finds the position of a target value within a sorted array.

    • Binary sort works by repeatedly dividing the array in half and narrowing down the search range.

    • It is more efficient than linear search for large arrays.

    • Example: Sorting an array of strings alphabetically using binary sort.

  • Answered by AI
  • Q3. Android intent and broadcasts

Interview Preparation Tips

Topics to prepare for Parkwheels Software Developer interview:
  • Android
  • Data Structures
Interview preparation tips for other job seekers - Prepare well for dsa and android

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Easy
Process Duration
4-6 weeks
Result
Selected Selected

I was interviewed before Sep 2023.

Round 1 - Technical 

(2 Questions)

  • Q1. Sql join questions
  • Q2. Python decorartors

I was interviewed in Apr 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 minutes
Round difficulty - Hard

Timing was late evening . Platform was good.

  • Q1. 

    Largest Cycle in Maze Problem Statement

    Given a maze represented by 'N' cells numbered from 0 to N-1, and an array arr of 'N' integers where arr[i] denotes the cell number that can be reached from the 'i'...

  • Ans. 

    Identify the length of the largest cycle in a maze represented by cells and an array of integers.

    • Iterate through each cell and find the cycle length using DFS or Floyd's Tortoise and Hare algorithm.

    • Keep track of visited cells to avoid infinite loops.

    • Return the length of the largest cycle found or -1 if no cycles exist.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Chitkara University. Eligibility criteriaAbove 6 CGPAJUSPAY interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Do some projects
Tip 2 : Be good in data structure
 

Application resume tips for other job seekers

Tip 1 : Keep it short
Tip 2 : Don't try to add false things.

Final outcome of the interviewRejected

I was interviewed in Mar 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 minutes
Round difficulty - Medium

The coding round was 90 minutes with 2 question and the difficulty was mid-range and both were graph question

  • Q1. 

    Rat in a Maze Problem Statement

    You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...

  • Ans. 

    Find all possible paths for a rat in a maze from start to destination.

    • Use backtracking to explore all possible paths in the maze.

    • Keep track of visited cells to avoid revisiting them.

    • Explore all possible directions (up, down, left, right) from each cell.

    • Add the current direction to the path and recursively explore further.

    • When reaching the destination, add the path to the list of valid paths.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BengaluruEligibility criteriacgpa above 7.5JUSPAY interview preparation:Topics to prepare for the interview - Python, data structure , algorithm, database , osTime required to prepare for the interview - 1 MonthInterview preparation tips for other job seekers

Tip 1 : Practice question and try to understand with using javascript
Tip 2 : The Elm Architecture. 
Tip 3 : Project matters

Application resume tips for other job seekers

Tip 1 : Have web development project
Tip 2 : learn purescript and node.js

Final outcome of the interviewRejected
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

3 Graph Questions Were asked of difficulty medium to hard.

Round 2 - Case Study 

Hackathon round which revolved around multithreading

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
4-6 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Hard questions of graph and dp.

Round 2 - Aptitude Test 

It was good and tough

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Feb 2024. There were 3 interview rounds.

Round 1 - Coding Test 

They have their own coding platform. The questions are basically from tree.

Round 2 - Coding Test 

Tree of space question

Round 3 - Technical 

(2 Questions)

  • Q1. Previous round question solution
  • Q2. System design was asked.

Interview Preparation Tips

Topics to prepare for JUSPAY Software Developer interview:
  • tree
  • graph
  • system design
Interview preparation tips for other job seekers - Should have good knowledge of tree ,graph and system design.
Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Oct 2023. There was 1 interview round.

Round 1 - Coding Test 

Increasing triple subsequence, rest is easy hashmap

Interview Questionnaire 

1 Question

  • Q1. Three 2d matrix questions in first round from leetcode. One was simple dp question. Two questions in second round one questions was on trees. One questions was of strings. In third round which was engineer...
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Park Plus Interview FAQs

How many rounds are there in Park Plus Sde1 interview?
Park Plus interview process usually has 3 rounds. The most common rounds in the Park Plus interview process are Technical and HR.
What are the top questions asked in Park Plus Sde1 interview?

Some of the top questions asked at the Park Plus Sde1 interview -

  1. 1. What is a doubly-linked list? And real-world applicatio...read more
  2. 7. What is the difference between In-memory DB and MyS...read more
  3. 7. Print internal nodes of a binary tree (internal nodes means except nodes pre...read more

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