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
Pre-requisites: Anagrams are defined as words or names that can be formed by rearranging letters of another word. Such as "spar" can be formed by rearranging letters of "rasp&...read more
Ans. 
I make an integer array of size 26 and save the number occurrence of each character in that string. And validated that with the second string. If both contains same number of occurrences for each character than it is anagram.
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Round duration - 20 minutes
Round difficulty - Easy

Basic oops and SQL questions were asked

Q1. OOPS Question
Explain oops concepts.
Ans. 
Tip 1 : Explain what is oops?
Tip 2 : List the major concepts of oops.
Tip 3 : Explain each concept in brief and clarity.
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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.
Given an array ‘A’ having ‘N’ integers and an integer ‘m’. You need to rearrange the array elements such that after re-arrangement difference of array elements with ‘m’ should be ...read more
Ans. 
A direct approach would be to use an additional empty array of size n, where n is the size of the input array. Manage two pointers, one at the starting index of the input array and another one at the endpoint. Copy the last element of the array first, in the additional array, then the first element of the array, and increment both the pointers one index further. Follow the same pattern unless the start pointer becomes ...read more
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Q2. Print Nodes at Distance K From a Given Node
You are given an arbitrary binary tree, a node of the tree, and an integer 'K'. You need to find all such nodes which have a distance K from the given no...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. Pattern: Triangle of numbers
Ninja is given a pattern. Now he is asked to print the same pattern for any given ‘N’ number of rows.
For example, Pattern for ‘N’ = 4 will be.
   1
  232
 34545
4567654
In...read more
Ans. 
In pattern based programs, two things need to be taken care of : No. of lines and If the pattern is increasing or decreasing per line. 
Pseudo Code :
printPattern(n) :
num = 1;
gap = n - 1;
for (j=1 to n , j++):
{
num = j;
for (i=1 to gap, i++)
print(" ")
gap --;
for (i=1 to j, i++)
{
print num
num++;
}
num--;
num--;
for (i=1 to i {
print num
num--;
}
print new line
}
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Q2. Technical Question
What is web server and application server ?
Ans. 
Web Server: It is a computer program that accepts the request for data and sends the specified documents. Web server may be a computer where the online content is kept. Example :Resin
Application server: It encompasses Web container as well as EJB container. Application servers organize the run atmosphere for enterprises applications. Example : Web logic
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Q3. Technical Question
How internet works?
Ans. 
There are two main concepts that are fundamental to the way the Internet functions: packets and protocols. 
Packets: In networking, a packet is a small segment of a larger message. Each packet contains both data and information about that data. The information about the packet's contents is known as the "header," and it goes at the front of the packet so that the receiving machine knows what to do with the packet.
P...read more
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Q4. DBMS Question
Write query to find nth highest salary.
Ans. 
TOP keyword can be used to find the nth highest salary. By default ORDER BY clause print rows in ascending order, since we need the highest salary at the top, we have used ORDER BY DESC, which will display salaries in descending order. Again DISTINCT is used to remove duplicates. The outer query will then pick the topmost salary, which would be your Nth highest salary.
SQL query : 
SELECT TOP 1 salary
FROM ( 
SEL...read more
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Round duration - 30 minutes
Round difficulty - Easy

Typical HR round with behavioral problems.