Infosys private limited interview experience Real time questions & tips from candidates to crack your interview
System Engineer
Infosys private limited
2 rounds | 8 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 1 Month
Topics: Python, C, C++, MySQL, Cloud Computing, Networking
Tip 1 : Prepare your Introduction very well, as first impression is last impression.
Tip 2 : Study and prepare well for the major projects you have mentioned.
Tip 3 : Be confident enough to answer all the questions
Tip 4 : In case u don't know any question, then say Sir/Mam i don't know this.
Application process
Where: Other
Eligibility: 65%(6.5 CGPA) or above in Graduation and 60%(6 CGPA) or above in 10th and 12th
Tip 1 : Write only those Coding languages which you are enough aware about
Tip 2 : At least 2 major projects should be there.
Tip 3 : If possible, Limit your resume to one page.
Interview rounds
01
Round
Medium
Online Coding Interview
Duration100 minutes
Interview date15 May 2022
Coding problem6
Section I – Reasoning Ability test – 15 questions – 25 minutes Section II – Mathematical Ability test – 10 questions – 35 minutes Section III – Verbal Ability test – 20 questions – 20 minutes Section IV – Pseudocode test – 5 questions – 10 minutes Section V – Puzzle Solving test – 4 questions – 10 minutes. Total - 54 MCQS.
1. Reasoning Ability Question
Complete the series:
5, 20, 24, 6, 2, 8, ?
2. Verbal ability Question
Fill in the Blanks with correct choice :
The bus met with an accident and was _____ the traffic, so he had a hard time driving through the downtown.
3. Output Question
integer a,b,c
b=40, a=20, c=2-
a=a+c
c=c+a
a=a+c
c=c+a
Display(a+b+c)
4. Output Question
Find value of z?
set integer a=5
set integer b= -10
set integer m=4
set integer n=2
set integer z=a++ + --b*n/m
5. Reverse Words In A String
Easy
10m average time
90% success
0/40
Asked in companies
You are given a string 'str' of length 'N'.
Your task is to reverse the original string word by word.
There can be multiple spaces between two words and there can be leading or trailing spaces but in the output reversed string you need to put a single space between two words, and your reversed string should not contain leading or trailing spaces.
Example :
If the given input string is "Welcome to Coding Ninjas", then you should return "Ninjas Coding to Welcome" as the reversed string has only a single space between two words and there is no leading or trailing space.
Problem approach
Initially, reverse the individual words of the given string one by one
Reverse the whole string from start to end to get the desired output
We can also do the above task by splitting and saving the string in a reverse manner.
6. Anagram Pairs
Moderate
30m average time
60% success
0/80
Asked in companies
You are given two strings 'str1' and 'str1'.
You have to tell whether these strings form an anagram pair or not.
The strings form an anagram pair if the letters of one string can be rearranged to form another string.
Pre-requisites:
Anagrams are defined as words or names that can be formed by rearranging the letters of another word. Such as "spar" can be formed by rearranging letters of "rasp". Hence, "spar" and "rasp" are anagrams.
Other examples include:
'triangle' and 'integral'
'listen' and 'silent'
Note:
Since it is a binary problem, there is no partial marking. Marks will only be awarded if you get all the test cases correct.
Problem approach
This method assumes that the set of possible characters in both strings is small. In the following implementation, it is assumed that the characters are stored using 8 bit and there can be 256 possible characters.
Create count arrays of size 256 for both strings. Initialize all values in count arrays as 0.
Iterate through every character of both strings and increment the count of character in the corresponding count arrays.
Compare count arrays. If both count arrays are same, then return true.
02
Round
Easy
Video Call
Duration20 minutes
Interview date30 May 2022
Coding problem2
Technical and behavioral round
1. Technical Questions
Self introduction
Latest trends in IT industry
What is OOPS
Types of loops in C++.
What is Cloud Computing
About the certifications i have done in Azure
About Major projects
Difference between While and Do-while loop
About SDLC and its phases
2. Basic HR Questions
My role in Project.
Difficulties faced during project and how i overcame them.
Importance of audience feedback during project presentation in seminar.
Importance of Time management in life.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
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