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Zopsmart Technology SDE Interview Questions and Answers

Updated 8 Nov 2024

Zopsmart Technology SDE Interview Experiences

5 interviews found

SDE Interview Questions & Answers

user image Anonymous

posted on 8 Nov 2024

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

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

Round 1 - Coding Test 

Two easy to medium level questions

Round 2 - Technical 

(2 Questions)

  • Q1. Reverse a string
  • Ans. 

    Reverse a string by iterating through the characters and swapping them.

    • Create a new string to store the reversed string

    • Iterate through the original string from end to start

    • Append each character to the new string

    • Return the new string as the reversed string

  • Answered by AI
  • Q2. First and last occurrence of an element in a sorted array
  • Ans. 

    Find the first and last occurrence of an element in a sorted array.

    • Use binary search to find the first occurrence of the element.

    • Modify binary search to find the last occurrence of the element.

    • Handle cases where the element is not found in the array.

  • Answered by AI

Skills evaluated in this interview

SDE Interview Questions & Answers

user image Amruth Reddy

posted on 4 Nov 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Coding Test 

30 min exam online test with easy and medium leetcode questions. Precisely Bulls and Cow problem and remove K digits leetcode questions

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SDE Interview Questions & Answers

user image angad

posted on 10 Jun 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. What is oops concepts
  • Ans. 

    Object-oriented programming concepts that focus on data encapsulation, inheritance, polymorphism, and abstraction.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

    • Inheritance: Ability of a class to inherit properties and behavior from another class.

    • Polymorphism: Ability to present the same interface for different data types.

    • Abstraction: Hiding the complex implementation detai...

  • Answered by AI

SDE Interview Questions & Answers

user image Anonymous

posted on 1 Nov 2023

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. 1. I was asked to create bst from preorder and inorder 2. Basic OOPs concepts 3. Question on finding the highest profit after selling the stocks
  • Q2. 4. Question from projects

Interview Preparation Tips

Interview preparation tips for other job seekers - basic DSA and OOPs

Zopsmart Technology interview questions for designations

 Trainee

 (1)

 Testing

 (1)

SDE Interview Questions & Answers

user image Mehul Khandelwal

posted on 19 Apr 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Apr 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Questions on React, virtual DOM and basic questions on javascript DSA questions included Linked List reversal and find a cycle in linked list

Interview questions from similar companies

SDE Interview Questions & Answers

Shopclues user image Anshul Garg

posted on 10 Mar 2015

Interview Questionnaire 

4 Questions

  • Q1. Tell me about yourself ?
  • Ans. 

    I am a highly motivated individual with a passion for learning and a strong work ethic.

    • I have a degree in computer science and have worked as a software developer for 3 years.

    • I am proficient in multiple programming languages including Java, Python, and C++.

    • I enjoy working in a team environment and am always willing to lend a helping hand.

    • In my free time, I enjoy hiking and playing guitar.

  • Answered by AI
  • Q2. What is your passion ?
  • Ans. 

    My passion is creating meaningful connections with people through storytelling and communication.

    • I love writing and sharing stories that inspire and connect with others

    • I enjoy public speaking and engaging with audiences

    • I am constantly seeking new ways to improve my communication skills

    • I believe that effective communication is key to building strong relationships

    • Examples: writing a blog, giving a TED talk, hosting a pod

  • Answered by AI
  • Q3. What do you want to achieve ?
  • Ans. 

    I want to achieve personal and professional growth while making a positive impact on the world.

    • Develop new skills and knowledge through continuous learning

    • Advance in my career and take on new challenges

    • Contribute to society through volunteering and charitable work

    • Create meaningful relationships with family, friends, and colleagues

    • Maintain a healthy work-life balance

  • Answered by AI
  • Q4. Other personal questions

Interview Preparation Tips

Round: Technical Interview
Experience: The first round was started with few theoretical questions. The questions were either in the form of Puzzles, Data structures & Algorithms,
and a few php questions revolving around errors in PHP, sessions & cookies.
Tips: Your resume should be both clear & concise.

Round: HR Interview
Tips: Be confident & tell what they want to hear.

Skills: Algorithms, Web skills
College Name: IIT ROORKEE
Motivation: Passion for eCommerce.

SDE Interview Questions & Answers

Amazon user image Anonymous

posted on 24 May 2015

Interview Questionnaire 

5 Questions

  • Q1. What happens when we type amazon.com ?
  • Ans. 

    Typing amazon.com in the browser's address bar takes you to Amazon's website.

    • The browser sends a request to the DNS server to resolve the domain name 'amazon.com' to an IP address.

    • The browser establishes a TCP connection with the server at the resolved IP address.

    • The browser sends an HTTP request to the server for the homepage of Amazon's website.

    • The server responds with the HTML code for the homepage, which the browse

  • Answered by AI
  • Q2. Describe transaction process in detail if we want to transfer from one account to other. Also design scheme for it
  • Ans. 

    The transaction process involves transferring funds from one account to another. A scheme is designed to ensure secure and accurate transfers.

    • Verify the availability of sufficient funds in the sender's account

    • Authenticate the sender's identity and authorization for the transaction

    • Deduct the transfer amount from the sender's account balance

    • Initiate a request to transfer the funds to the recipient's account

    • Validate the r...

  • Answered by AI
  • Q3. What happens on server side on receiving HTTP requests and how operating system interacts and then discussion related with threading, thread pool ,synchronization, hashing etc
  • Ans. 

    When a server receives an HTTP request, it interacts with the operating system, handles threading, thread pooling, synchronization, and hashing.

    • Upon receiving an HTTP request, the server creates a new thread to handle the request.

    • The operating system manages the allocation of system resources to the server process.

    • Thread pooling is used to efficiently manage and reuse threads for handling multiple requests.

    • Synchronizat...

  • Answered by AI
  • Q4. Describe ACID properties in detail
  • Ans. 

    ACID properties ensure reliability and consistency in database transactions.

    • ACID stands for Atomicity, Consistency, Isolation, and Durability.

    • Atomicity ensures that a transaction is treated as a single unit of work, either all or none of its operations are executed.

    • Consistency ensures that a transaction brings the database from one valid state to another.

    • Isolation ensures that concurrent transactions do not interfere w...

  • Answered by AI
  • Q5. How to find kth- smallest element in BST? -----/
  • Ans. 

    To find kth-smallest element in BST, perform inorder traversal and return the kth element.

    • Perform inorder traversal of the BST

    • Maintain a counter variable to keep track of the number of nodes visited

    • When the counter reaches k, return the current node's value

    • If k is greater than the number of nodes in the BST, return null or throw an exception

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Online Round: (Duration – 90 minutes)

20 MCQs and 2 coding questions. MCQs were on Algorithms, Time Complexity, Quantitative Aptitude, Probability, Operating Systems, Graphs, Data Structures, Recursion outputs etc.

Coding Questions:

1. In one of Amazon fulfillment centers, there are a no. of empty boxes kept in increasing order in a row. Kiva robots are designed to put a product in a box. The product size is given. Design a program to find the best fit box for given product size. First line contains no. of empty boxes and next line contains size of boxes with space. The next line contains size of given product. The output shows the best fit box size and -1 otherwise.For example, Input: 6

2 7 9 11 13 16

12

Output: 13 2. You have to find a string in two-dimensional array. The input contains 2-D array of characters and given string. You can move in one of eight directions . The output contains location of first letter of string if string found completely, otherwise return -1. Any one out of multiple answers is accepted, if possible.

For example, Input:

b t g

p a d

r k jString: rat

Output: (2,0)

Round: TECHNICAL INTERVIEW
Experience: Brief introduction about myself and my project.

1. Given an array of positive and negative integers, rearrange positive and negative numbers in 0(n) time .

First, I solved it using 2 arrays,each for positive and negative integers and place elements of array in these 2 arrays and them combine them back by taking one element from each array. Then he told me to do without extra space. I then segregated positive and negative elements using quicksort .Below is the link:

-----. Program to check whether strings are rotation of each other or not. I approached as below:

-----/

He then told to solve without using strstr. I used naive searching method.

Round: HR INTERVIEW
Experience: Brief introduction and some behavioral questions.

Given a BST and a key sum, design an algorithm to find all pairs of integers whose sum equal to key.

I first approached using an array and placing elements into it in inorder fashion and then find pairs. He told to do in-place and I solved with 2 traversals (inorder and reverse- inorder

Round: Technical Interview
Experience: Based on CS Fundamentals and also had 15 minutes discussion on my internship project.
Q.Given a Binary tree, full_path_sum is sum of all nodes from root to leaf in a path. Given a min_sum value, delete nodes if path has full_path_sum less than min_sum . Delete all such nodes . For example,Given min_sum =8 1
2 3
4 5 6 7

College Name: NA

Skills evaluated in this interview

SDE Interview Questions & Answers

Amazon user image Anonymous

posted on 25 May 2015

Interview Preparation Tips

Round: Test
Experience: Online Round :(Duration – 90 minutes)20 MCQs to solve and 2 coding questions. 20MCQs were on Algorithms,Data Structures, C Output, Quantitative Aptitude, etc.

Coding questions were of 10 marks each.

MCQ’s had negative marking.

Correct : +1

Wrong : -0.25Q1– Given an array of numbers, arrange them in an alternate fashion such that every number is followed by a number of opposite sign. Also the order was to be maintained. If the count of negative numbers is more keep the extra at last in array and same for positive numbers.Example :

Input: -3 -2 6 0 7 -1 -8

Output: -3 6 -2 0 -1 7 -8Q2– String of characters as arranged in a cellphone i.e.

1- NULL

2-a,b,c

3-d,e,f

4-g,h,i

.

.

.

9-w,x,y,z

0-NULLPrint all combinations for given number of digits(k) in lexicographical order .

Constraint : 1<=k<4

For Example : Input = 234

Output : adg adh adi aeg aeh aei afg afh afi bdg bdh bdi beg beh bei bfg bfh bfi cdg cdh cdi ceg che dei cfg cfh cfi

Round: TECHNICAL INTERVIEW
Experience: Q1– Design a shuffle function which would play songs randomly in your device (unique song_id) and code it.

After i gave him a solution with hash function , he asked me to improve the algorithm such that once a song is played it should be played only when all the other songs are played,

Solution’s Complexity : Space – O(n) , Time – O(1) ; n—> number of songs

After that he asked me to improve my solution and do it without using extra space.

Solution’s Complexity : Space – O(1) , Time – O(n) ; n—>number of songs

Hint : Maintain indices and once a song is played shift it in range of played songs index.

After that i was asked about each part of the hash function and how i came up with that.Q2– Add two linked lists. And code it.Input : 1->2->3->4->NULL

8->2->NULL

Output : 1->3->1->6->NULLFirst he asked to do it without recursion and then with recursion.We also talked about theproblem we face if we store the value of the linked list in an integer or long if the number of digits were above certain limits in the non-recursive function.

Round: TECHNICAL INTERVIEW
Experience: Q1 – Find the largest sub tree which is binary search tree in a given Binary Tree. Then to optimize it and then asked me to code it.
Q2 – Given a linked list with a next pointer and an arbitrary pointer pointing to any node in the list , copy the linked list.After i gave him a solution which changed the links of the initial linked list, he asked me to do without changing the links.So i gave him a O(n^2) solution . He asked me to give another way or optimize my solution.He helped me to figure out the solution.Hint – Hash map.The interviewers were really helping and supporting and were more interested in seeing the efforts you make and the way you get to the logic.They help throughout by giving hints.

College Name: NA

SDE Interview Questions & Answers

Amazon user image Anonymous

posted on 25 May 2015

Interview Questionnaire 

7 Questions

  • Q1. Find the second largest element in an array. (-----/)
  • Ans. 

    Find the second largest element in an array.

    • Sort the array and return the second last element

    • Iterate through the array and keep track of the two largest elements

    • Use a priority queue to find the second largest element

  • Answered by AI
  • Q2. Given a sorted array which can have repeated elements, find the occurrence of an element. (Most optimal solution is O(logn) – Using binary search to find start and end occurrence)
  • Ans. 

    Given a sorted array with repeated elements, find the occurrence of a given element using binary search.

    • Use binary search to find the first occurrence of the element

    • Use binary search to find the last occurrence of the element

    • Calculate the occurrence by subtracting the indices of the last and first occurrences and adding 1

  • Answered by AI
  • Q3. Make a data structure and implement an algorithm to print all the files in a directory. (the root directory can have sub-directories too.) I used an n-ary tree and BFS to print files. It can also be done u...
  • Ans. 

    Implement a data structure and algorithm to print all files in a directory, including sub-directories.

    • Use an n-ary tree or stack to represent the directory structure

    • Implement a BFS or DFS algorithm to traverse the directory and print files

    • Handle sub-directories recursively

    • Consider using a queue or stack to keep track of directories to visit

  • Answered by AI
  • Q4. He asked some question about my CV
  • Q5. Print a matrix diagonally. (-----/)
  • Ans. 

    Print a matrix diagonally.

    • Start from the top left corner and print the diagonal elements

    • Move down and right to print the next diagonal

    • Repeat until all diagonals are printed

  • Answered by AI
  • Q6. DFS of binary tree, n-ary tree
  • Ans. 

    DFS is a traversal algorithm used to visit all nodes of a tree or graph. It can be applied to binary as well as n-ary trees.

    • DFS stands for Depth First Search.

    • In DFS, we start from the root node and visit its children recursively until we reach a leaf node.

    • There are two types of DFS: Preorder (root, left, right) and Postorder (left, right, root).

    • DFS can be implemented using recursion or a stack data structure.

    • Example: I...

  • Answered by AI
  • Q7. Then he asked some question from other subjects. OS – Scheduling DBMS – Normalization, Transaction OOPS – Abstraction

Interview Preparation Tips

Round: Test
Experience: They had an online aptitude test on day 1. It was 90 minutes: 20 MCQs + 2 coding questions (choice between C/C++/Java for coding). MCQs were based on DSA, OS, and Math. They were apparently difficult.

Round: Test
Experience: 1. Keypad problem ( -----/ )– Little difficult problem on backtracking.2. Given an array, find the count of impossible triangle ( -----/ )

Round: Test
Experience: Questions involved DSA and strongly based on optimising the code:



1. Given a linked list, reverse K nodes in it eg :- 1->2->3->4->5->NULL , k = 3 3->2->1->5->4 2. Search for an element in an array which has elements who’s values are first increasing and then decreasing. (Use modified binary search)
Duration: 60 minutes
Total Questions: 2

College Name: NA

Skills evaluated in this interview

SDE Interview Questions & Answers

Amazon user image Anonymous

posted on 25 May 2015

Interview Preparation Tips

Round: Telephonic round
Experience: 1. An array is given with element name and their respective pH values. Print the combination of 2 elements which make a neutral compound.

A discussion started and best solution was O(n) time complexity and O(1) space complexity.

Then I got call for F2F interviews and here are those-

Round: Technical Interview
Experience: 1. Print Matrix in spiral form.

2. A store have n customers and any 1 can visit them any time through out the year.Data is stored in a file.Design a data structure to find given person visited on so n so date or not.

Round: Technical Interview
Experience: 1.There are N packages P1, P2…Pn. A package may depend on another or many other for its compilation. Given a matrix of dependency, find a sequence of package compilation.

2.A 2D matrix is given, with each elements representing number of gold coin at that position. I have to travel from (0,0) to last element of matrix collecting maximum no. of coins.I can travel either right of an element or down of it.

3.In Galaxy there are trillions of stars. I am provide distance of every star from earth. Tell me nearest 1Million stars to earth, provided with best time and space complexity.

Round: Technical Interview
Experience: 1. Implement LRU.

2.In Android phones we have 3X3 grid for making a pattern. Given a length, find number of combinations for that length in that grid.

Round: HR Interview
Experience: 1. Project deep discussion.
2. Few given scenarios and how you will tackle.
3. Strengths and weaknesses.
4. Given a file with many statements. Print all the strings with their anagrams through the file.Logic to check anagrams and to store them

Round: Technical Interview
Experience: 1. Behavioral Questions like
>Why you want to leave your organization?
>What is most challenging work you have done till date?
>Why you want to join Amazon?
etc.
2. Which data structure you know?
3.Say I have few words and their meaning, and I want to store them which DS will you use and why.
I started with Hashmap and we kept on discussing about pros and cons.Finally ended up with trie.He asked me to write code for it, for adding new word and for fetching meaning from Trie.The whole process started in 1st week and yesterday got a call from HR for I am invited to be part of Amazon.

College Name: NA
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Zopsmart Technology Interview FAQs

How many rounds are there in Zopsmart Technology SDE interview?
Zopsmart Technology interview process usually has 1-2 rounds. The most common rounds in the Zopsmart Technology interview process are Technical, Coding Test and Resume Shortlist.
What are the top questions asked in Zopsmart Technology SDE interview?

Some of the top questions asked at the Zopsmart Technology SDE interview -

  1. first and last occurrence of an element in a sorted ar...read more
  2. What is oops conce...read more
  3. reverse a str...read more

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Zopsmart Technology SDE Interview Process

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Zopsmart Technology SDE Salary
based on 28 salaries
₹9 L/yr - ₹12.5 L/yr
48% less than the average SDE Salary in India
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4.0/5

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