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Info Edge Database Developer Interview Questions and Answers
Info Edge Database Developer Interview Experiences
1 interview found
akshaya maisa
Selected
I applied via Company Website and was interviewed in Jan 2024. There was 1 interview round.
I have greep on python
Interview Preparation Tips
- Python
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I appeared for an interview before Sep 2020.
Round duration - 90 minutes
Round difficulty - Easy
This round was held during university hours and consisted of 2 coding questions.
(1 Question)
Round duration - 120 minutes
Round difficulty - Easy
Make sure you do no cutting and are clear about the approach you'd be following.
- Q1. What is the running median of an input stream?
- Ans.
Running median of an input stream is the median value of the numbers seen so far in a continuous stream of data.
Maintain two heaps - a max heap for the lower half of the numbers and a min heap for the upper half.
Keep the number of elements in the two heaps balanced or differ by at most 1.
If the total number of elements is odd, the median is the root of the max heap. If even, it is the average of the roots of the two he...
Interview Preparation Tips
Prepare for company-wise interview questions according to the company in which you are applying. Try to write the code yourself and if got stuck in between then take help from the internet. I recommend you Codezen of Coding Ninjas for practicing Data Structures and Algorithms based questions.
Application resume tips for other job seekersBe sure 100% of what you write in your resume and prepare for that before the interview what is written on resume.
Final outcome of the interviewSelectedSkills evaluated in this interview
Mahesh Agrawal
I applied via Job Portal and was interviewed in Jun 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Sort an array
- Ans.
Sorts an array of strings in ascending order.
Use a sorting algorithm like bubble sort, selection sort, or merge sort.
Compare adjacent elements and swap them if they are in the wrong order.
Repeat the process until the array is sorted.
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview before Sep 2020.
(1 Question)
Round duration - 60 minutes
Round difficulty - Medium
Medium level competitive programming question. Interviewer looked for the approach and working code.
- Q1.
Time to Burn Tree Problem
You are given a binary tree consisting of 'N' unique nodes and a start node where the burning will commence. The task is to calculate the time in minutes required to completely b...
- Ans.
Calculate the time in minutes required to completely burn a binary tree starting from a given node.
Perform a depth-first search (DFS) to calculate the time taken to burn the entire tree.
Track the time taken to burn each node based on its distance from the starting node.
Consider the maximum time taken among all nodes as the total time to burn the entire tree.
Round duration - 40 minutes
Round difficulty - Medium
Timing : Evening
Interviewer was frank. He checked for indepth knowledge of the subject.
Interview Preparation Tips
Tip 1 : Leave a subject to prepare, but never leave a topic.
Tip 2 : Must go through previous years questions / interview experiences.
Tip 3 : Atleast 4 projects in CV
Tip 1 : At least 4 projects (working)
Tip 2 : Never put false things on resume.
Skills evaluated in this interview
I applied via Company Website and was interviewed in Aug 2021. There were 2 interview rounds.
E-commerce
Interview Preparation Tips
I appeared for an interview before Dec 2015.
Interview Questionnaire
2 Questions
- Q1. 1 question from basic data structures and algorithms The question was similar to the one in the given link- -----/
- Q2. Why do you want to join the company?
- Ans.
I am excited to join the company because of its reputation for innovation and commitment to employee growth.
I am impressed by the company's track record of developing cutting-edge software solutions.
I appreciate the company's focus on fostering a culture of learning and development.
I am excited about the opportunity to work with a talented team of developers and contribute to the company's success.
I believe that the co...
Interview Preparation Tips
Experience: Resumes were shortlisted with a short aptitude round where we are asked basic questions about databases, basic programming(C and C ++ questions)
Round: Technical Interview
Experience: The questions were asked were simple - related to arrays and data structures. Some questions were asked regarding my resume and projects.
Tips: Be thorough with geeksForGeeks, and your projects.
Round: HR Interview
Experience: I told him how I found the story of the founder of Infoedge very inspiring.
Tips: This round should be more simpler , be prepared with why you want to join the company and general HR questions
Skills: Basic C/C++, Programming Skills In Any Language Like C
College Name: IIIT Allahabad
Interview Preparation Tips
Experience: Ques will be based on arrays( duplicate element, missing element in 1 to n array), link list(reverse, remove loop, middle node etc), Hashing, sql join, normalisation, indexing in sql, singlton pattern and sorting and searching.
Tips: Focus will remain on algorithms. Whatever program they will ask to write, they will also ask to optimize the solution.
Skill Tips: Puzzle on mislabled jar, odd weight ball. As I had exp in Java, so some more que on Java, java script and web technology. All you need in interview is to be confident and show your interest in web domain.
Skills: Java, Data structure, Algorithm
College Name: NA
I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Given a 2d matrix with some D doors and W walls, we need fill distance matrix with minimum distance to the nearest door
- Ans.
Given a 2D matrix with doors and walls, fill distance matrix with minimum distance to the nearest door.
Iterate through the matrix and find the doors
Use Breadth-First Search (BFS) to calculate the minimum distance from each cell to the nearest door
Update the distance matrix with the minimum distances
- Q2. Given a read-only array we want to find kth smallest element in unordered array with O(1) space
- Ans.
Find kth smallest element in unordered array with O(1) space
Use the QuickSelect algorithm to partition the array and find the kth smallest element
Choose a pivot element and partition the array into two subarrays
Recursively partition the subarray that contains the kth smallest element
Repeat until the pivot element is the kth smallest element
Time complexity: O(n) average case, O(n^2) worst case
- Q3. Design question
- Q4. Find friends of friend who already are not friends with you
- Ans.
To find friends of friends who are not already friends with you, we can first find your friends and then their friends excluding yourself and your friends.
Get your list of friends
For each friend, get their list of friends
Exclude yourself and your friends from the final list of friends of friends
Interview Preparation Tips
Experience: It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.
Tips: Just walk the interviewer through the solution you're proposing.
Round: Other Interview
Experience: He started with a design question with how to stream an image such that all clients see the same image at the same time. You need to take care of delays, network problems. He kept on adding new elements like compression, streaming, utc time related issues, client rendering delays and so on.
Round: Other Interview
Experience: This was bar-raiser round.
Skills: Design, Algorithms And Data Structures, Graph Theory
College Name: IIT Madras
Skills evaluated in this interview
I appeared for an interview before Apr 2021.
(2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.
- Q1.
Kth Largest Element Problem Statement
Given an array of distinct positive integers and a number 'K', your task is to find the K'th largest element in the array.
Example:
Input:
Array: [2,1,5,6,3,8], K ... - Ans.
Find the Kth largest element in an array of distinct positive integers.
Sort the array in non-increasing order
Return the Kth element from the sorted array
Handle multiple test cases
- Q2.
Orange Rotting Problem Statement
Consider a grid containing oranges. Each cell in this grid can hold one of three integer values:
- Value 0: Represents an empty cell.
- Value 1: Represents a fresh orang...
- Ans.
The task is to determine the minimum time required for all fresh oranges to become rotten in a grid.
Create a queue to store the rotten oranges and their time of rotting.
Iterate through the grid to find the initial rotten oranges and add them to the queue.
Perform BFS by popping each rotten orange from the queue, rot adjacent fresh oranges, and add them to the queue with updated time.
Continue until the queue is empty, ke...
Round duration - 45 minutes
Round difficulty - Easy
This was a design round.
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
Software Developer Interview Questions & Answers
Eternal Limited
Gulshan Kumar
posted on 30 Nov 2015
I applied via Campus Placement
Interview Preparation Tips
Experience: They selected 10 students from our college from CS and IT .They are looking for guys with extra projects done during college .App development will be a bonus ,contribution to open source and competitive programming will help for shortlisting.
Some of my friends had research papers published and they too got selected.
Round: Test
Experience: Have to write code snippet for 4 questions in 45 minutes
1.Difference between hour hand and minute hand
2.longest palindromic sub string.
3.Product Array puzzle
4.Some question related to matrix
Tips: All question were from geeksforgeeks
So practice it well ..u will make through it
Round: Test
Experience: Long Discussion on projects
They will scan each and every line of your Resume ,so dont write bullshits..
I wrote about interest in AI and got screwed..Discussion on college projects and final year project.
Then asked me to design a snake and ladder game OOPS concepts
Told me to find sum of all elements of sub matrix..(hint pre-processing the matrix)
Asked me about sessions and cookies
Gave a query to write on database indexing (dont remember exactly)
Asked me the code of the difference between hour hand and minute hand and extended it wid the second hand
Asked me as how to implement a dictionary
asked about TRIES ,CODE SNIPPET ON THE SHARED DOCS
One of my friend was asked to implement (set) of STL
Tips: The interviewer was cool guy..helped me a lot always made me comfortable.Interact with them as much as possible
Round: Test
Experience: Wid the CTO of the company .
Started wid the projects again .ACID properties,Database transactions,Concurrency Control
Optimization in database.
Then he asked me to code a function
Given a hash function applied on letters of English words ,un-hash it.Took me 45 minutes to reach the solution ,he helped me a lot.
Asked me to write the code for diameter of a binary tree
Asked me write the code for Boolean Matrix
One of my friend was asked to a question in which there was a bug in a m*n matrix and we have to find the bug(hint dfs or bfs)
Tips: keep calm ,,just keep talking ad he will help u a lot...
Round: HR
Experience: This was the toughest round for me...I had cleared all the rounds but they rejected me in the HR round ,,,dont know where I screwed..Learn every thing of Zomato..
They offered me an internship and thereafter they would look to give a PPO ...!!!lets see what happens
Skills: Coding Skills And Knowledge On Data Structures
Duration: 3
College Name: NIT Srinagar
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