Infosys private limited interview experience Real time questions & tips from candidates to crack your interview

Senior Software Developer

Infosys private limited
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2 rounds | 6 Coding problems

Interview preparation journey

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Preparation
Duration: 2 months
Topics: OOPS, DS, Pointers, C Programming, Operating System
Tip
Tip

Tip 1 : Mark your skills in bold letters
Tip 2 : Mention atleast 1 project in resume

Application process
Where: Campus
Eligibility: Should pass atleast 60% in graduation
Resume Tip
Resume tip

Tip 1 : Highlight your technical skills. 
Tip 2 : Highlight your marks in 10th, 12th, B.tech

Interview rounds

01
Round
Easy
Online Coding Interview
Duration60 Minutes
Interview date8 Dec 2021
Coding problem5

- Morning time
- Environment was good.
- No
- Interviewer was not good

1. OS Question

A situation where several processes access and manipulate the same data concurrently and the outcome of the execution depends on the particular order in which access takes place is called ____________
a) data consistency
b) race condition
c) aging
d) starvation

Problem approach

Tip 1 : Should know basic concepts of OS.
Tip 2 : Practice OS Conceptual questions by any site.
Answer is - Race Condition

2. OS Question

Mutual exclusion implies that ____________
a) if a process is executing in its critical section, then no other process must be executing in their critical sections
b) if a process is executing in its critical section, then other processes must be executing in their critical sections
c) if a process is executing in its critical section, then all the resources of the system must be blocked until it finishes execution
d) none of the mentioned

Problem approach

Tip 1 : Should know basic concepts of OS.
Tip 2 : Practice OS Conceptual questions by any site.
Answer is a

3. Bubble Sort

Easy
10m average time
90% success
0/40
Asked in companies
OptumAccentureWells Fargo

Bubble Sort is one of the sorting algorithms that works by repeatedly swapping the adjacent elements of the array if they are not in sorted order.

You are given an unsorted array consisting of N non-negative integers. Your task is to sort the array in non-decreasing order using the Bubble Sort algorithm.

For Example:
Bubble Sort implementation for the given array:  {6,2,8,4,10} is shown below :-

Alt test

Problem approach

Answer - step 1: You don't have to read input or print anything. Your task is to complete the function bubblesort() which takes the array and it's size as input and sorts the array using bubble sort algorithm.

step 2- Time Complexity: O(N^2).
Auxiliary Space: O(1).

step 3- By using bubble sort break the numbers and arrange in ascending order

Important Tip : Should know all the algorithms deeply.

Try solving now

4. Technical Question

State whether the following statements are true.
i) A conceptual model is no more than an idea.
ii) The Data Flow Diagram (DFD), Flow chart are the basic components of the logical models.
A. i only
B. ii only
C. Both i and ii
D. None of the above

Problem approach

Tip 1 : Should know Data flow Diagrams concepts
Tip 2 : Do practice waterfall model also

Answer is - c

5. Count Substrings With K Ones

Moderate
23m average time
0/80
Asked in companies
AmazonMedia.netOla

You are given a binary array 'arr' of length 'N' and an integer 'k'. Return the number of subarrays having the count of 1's equal to ‘k’.


Example :
Let the array 'arr' be: [1, 0, 1].
Let ‘k’ be: 1

Then the subarrays having the number of ones equal to ‘k’ will be: [1], [1,0], [0,1], [1].
Try solving now
02
Round
Easy
HR Round
Duration30 Minutes
Interview date19 Feb 2021
Coding problem1

- Morning time
- Environment was good.
- No activity
- Interviewer was strict in words

1. Basic HR Questions

1- Brief yourself? 

2- Why you wants to join Infosys? 

3- What is you strength and weakness? 

4- What are your hobbies?

Problem approach

Tip 1 : Provide all answers with good approaches 
Tip 2 : Practice as much as you can in English
Tip 3 : Go smooth and Keep Calm

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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