Infosys private limited interview experience Real time questions & tips from candidates to crack your interview
System Engineer
Infosys private limited
3 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 12 months
Topics: DATA STRUCTURES AND ALGORITHMS, OOPS, System Design, SQL, DBMS
Tip 1 : Do atleast 5 questions of DSA daily
Tip 2 : Must focus on Core subjects (OOPS,System Design,DBMS)
Application process
Where: Other
Eligibility: More the 65% in UG courses
Tip 1 : Project details should be clarified.
Tip 2 : Never put false things on resume
Interview rounds
01
Round
Medium
Online Coding Interview
Duration180 Minutes
Interview date15 Feb 2022
Coding problem0
There were 20 MCQ question based on DSA, OOPS ,output based questions etc and two medium level coding questions.
02
Round
Medium
Video Call
Duration45 Minutes
Interview date15 Apr 2022
Coding problem2
This was basically an Interview round with mainly focusing on problem solving statements and Some of SQL queries like Join,truncate etc.
1. Next Greater Element
Moderate
20m average time
90% success
0/80
Asked in companies
You are given an array arr of length N. You have to return a list of integers containing the NGE(next greater element) of each element of the given array. The NGE for an element X is the first greater element on the right side of X in the array. Elements for which no greater element exists, consider the NGE as -1.
For Example :
If the given array is [1, 3, 2], then you need to return [3, -1, -1]. Because for 1, 3 is the next greater element, for 3 it does not have any greater number to its right, and similarly for 2.
Problem approach
Step-1: Initialise a stack of Integer and put the last element of the array.
Step-2: Take a for loop from (arr.size()-2 to 0) and then calculate the maximum element to the right.
Step-3: Put the values in a new array.
Step-4: return the answer array.
2. Reverse Stack Using Recursion
Easy
21m average time
80% success
0/40
Asked in companies
Reverse a given stack of 'N' integers using recursion. You are required to make changes in the input parameter itself.
Note: You are not allowed to use any extra space other than the internal stack space used due to recursion.
Example:
Input: [1,2,3,4,5]
Output: [5,4,3,2,1]
03
Round
Easy
HR Round
Duration20 Minutes
Interview date20 Apr 2022
Coding problem1
This is basically the HR round. Where the answers related to relocation, and basic hr questions like why Infosys and all.
1. Basic HR Questions
1. What are your strengths and weaknesses?
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
To make an AI less repetitive in a long paragraph, you should increase:
Choose another skill to practice
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