Info Edge Software Developer Interview Questions, Process, and Tips

Aptitude,reasoning,english skills

Q1. OOPs concept, Programming
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Q1. Salary discussion
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More questions but very easy

Create a simple software in 2 hours

Round duration - 60 minutes
Round difficulty - Easy

It consists of questions based on array, string and Hashmap.

Q1. 
Anagram Pairs Problem Statement
Determine if two given strings are anagram pairs. Two strings are anagrams if the letters of one can be rearranged to form the other.
Input:
The input consists of a singl...read more
Ans. 
Check if two strings are anagram pairs by comparing the frequency of characters.
• Create character frequency maps for both strings

• Compare the frequency of characters in both maps

• Return True if the frequency of characters is the same for both strings, else return False
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Round duration - 20 minutes
Round difficulty - Easy

Basic oops and SQL questions were asked

Q1. Can you explain the concepts of Object-Oriented Programming (OOP)?
Ans. 
OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOP focuses on creating objects that interact with each other to solve problems.

• Encapsulation: Objects can hide their internal state and require interaction through defined interfaces.

• Inheritance: Objects can inherit attributes and methods from other objects.

• Polymorphism: Object...read more
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Round duration - 60 minutes
Round difficulty - Medium

Contains both coding as well as puzzles

Round duration - 20 minutes
Round difficulty - Easy

Basic discussion why you want to join info edge. What are your strength and weakness. What you want to do when you join. What motivates you and how info edge will help you?

Q1. What’s your name & experience
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Q2. Do you ready for job
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Round duration - 60 minutes
Round difficulty - Easy

Two coding questions were given in the first round to be solved in 60 minutes.

Q1. 
Rearrange Array Elements Problem Statement
Given an array A containing 'N' integers and an integer m, rearrange the elements of the array such that the differences between the array elements and m are sor...read more
Ans. 
Rearrange array elements based on their differences from a given integer.
• Calculate the differences between each element and the given integer.

• Sort the elements based on their differences while maintaining the original order for elements with the same difference.

• Implement a function to rearrange the array elements as per the given criteria.
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Q2. 
Print Nodes at Distance K from a Given Node
Given an arbitrary binary tree, a node of the tree, and an integer 'K', find all nodes that are at a distance K from the specified node, and return a list of th...read more
Ans. 
The task is to find all nodes in a binary tree that are at a distance K from a given node.
• Traverse the binary tree to find the given node

• From the given node, perform a depth-first search to find all nodes at distance K

• Use a list to store the values of the nodes at distance K

• Return the list of values in any order
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Round duration - 60 minutes
Round difficulty - Easy

This was a technical round with questions based on DSA, DBMS, Computer Networking and project based questions.

Q1. 
Triangle of Numbers Pattern
Ninja is tasked with printing a triangle pattern based on a given number 'N' for any test case.
Example:
Input:
N = 4
Output:
   1
  232
 34545
4567654
Explanation:
The pat...read more
Ans. 
Print a triangle pattern of numbers based on a given number 'N'.
• Iterate through each row and print the numbers accordingly

• Use spaces to center-align the numbers in each row

• Increment the numbers in each row as per the pattern
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Q2. What is the difference between a web server and an application server?
Ans. 
Web server serves static content over HTTP, while application server runs dynamic content and business logic.
• Web server handles HTTP requests and responses, serving static content like HTML, images, and CSS.

• Application server executes business logic, runs dynamic content, and interacts with databases.

• Web server examples include Apache, Nginx, while application server examples include Tomcat, JBoss.

• Web server focuses on...read more
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Q3. How does the internet work?
Ans. 
The internet is a global network of interconnected computers that communicate using standardized protocols.
• The internet is made up of a vast number of interconnected networks of computers.

• Data is transmitted over the internet using protocols such as TCP/IP.

• Websites are hosted on servers connected to the internet, and users access them using web browsers.

• Internet Service Providers (ISPs) provide access to the internet f...read more
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Q4. Write a SQL query to find the nth highest salary.
Ans. 
SQL query to find the nth highest salary
• Use the 'SELECT DISTINCT' statement to get unique salary values

• Order the salaries in descending order using 'ORDER BY' clause

• Use 'LIMIT' and 'OFFSET' to get the nth highest salary
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Round duration - 30 minutes
Round difficulty - Easy

Typical HR round with behavioral problems.