Microsoft Corporation
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I was interviewed in Aug 2021.
Round duration - 120 Minutes
Round difficulty - Hard
Given a matrix ARR
of dimensions N * M
, your task is to determine the rank of the matrix ARR
.
The rank of a matrix is defined as:
(a) The maximum number of linearly...
Calculate the rank of a matrix based on linearly independent column or row vectors.
Determine the number of linearly independent column vectors or row vectors in the matrix.
Use Gaussian elimination or row reduction to simplify the matrix and find the rank.
The rank of a matrix is the maximum number of linearly independent vectors it contains.
Round duration - 60 Minutes
Round difficulty - Medium
This is an elimination round. The interviewer will ask some technical questions and ask to solve some coding questions.
The interview was on Microsoft teams and coding was on codility.
Determine if two given strings, 'str1'
and 'str2'
, are permutations of each other.
Two strings are permutations of each other if one string's characters ...
Check if two strings are permutations of each other.
Create a character frequency map for both strings and compare them.
If the frequency of characters in both maps is the same, return true.
Handle edge cases like empty strings or strings of different lengths.
Round duration - 60 Minutes
Round difficulty - Hard
Interviewers asked some questions regarding System design and then asked me to perform the task
Design a vending machine that dispenses snacks and drinks.
Include a variety of snacks and drinks such as chips, candy, soda, and water.
Allow users to select items using a keypad or touchscreen interface.
Accept payment through cash, credit/debit cards, or mobile payment apps.
Dispense items once payment is confirmed.
Provide options for refunds or exchanges in case of errors.
Round duration - 60 Minutes
Round difficulty - Hard
There were 2 interviewers. This round was basically Distributed systems.
Given a list of numbers, rearrange them such that every second element is greater than its adjacent elements. Implement a function to achieve this rearrangement.
Rearrange a list of numbers such that every second element is greater than its adjacent elements.
Iterate through the array and swap elements if needed to satisfy the condition
Keep track of the current and next elements to compare and swap
Ensure that the swapped elements maintain the desired order
Round duration - 60 Minutes
Round difficulty - Hard
Tip 1 : Might ask you to write coding in System Design (Eg : Vending Machine)
Tip 2 : Use star methodology to answer.
Tip 3 : Interact as much as you can with the interviewer and discuss your approach to solve questions.
Tip 4: Start your preparation at least 6 months before application
Tip 5 : Practice Leetcode
Tip 1 : Resume should match with job description
Tip 2 : Add a summary section and avoid sections like hobbies, strengths
Tip 3 : Clearly mention your skills
I applied via LinkedIn and was interviewed in Oct 2021. There were 4 interview rounds.
The current chairman of ISRO is K. Sivan.
K. Sivan is an Indian space scientist and the current chairman of ISRO.
He has been associated with ISRO for over three decades and has contributed to several missions.
Under his leadership, ISRO has achieved several milestones, including the successful launch of Chandrayaan-2.
He is also known as the 'Rocket Man' of India.
UNESCO stands for United Nations Educational, Scientific and Cultural Organization.
UNESCO is a specialized agency of the United Nations.
It was established in 1945 with the aim of promoting peace and security through international cooperation in education, science, and culture.
UNESCO is responsible for designating and preserving World Heritage Sites, promoting literacy and education, and supporting cultural diversity.
So...
I was interviewed in Oct 2016.
My hobbies include hiking, playing guitar, and cooking.
Hiking: I enjoy exploring nature trails and challenging myself physically.
Playing guitar: I love learning new songs and improving my skills.
Cooking: I like experimenting with different recipes and creating delicious meals.
In 5 years, I see myself as a senior software developer leading a team and working on complex projects.
Leading a team of developers
Working on complex projects
Continuously learning and improving my skills
Contributing to the growth and success of the company
I want to join DELL because of their innovative technology solutions and strong reputation in the industry.
DELL is known for their cutting-edge technology solutions which align with my passion for software development.
I admire DELL's strong reputation in the industry and their commitment to customer satisfaction.
I believe joining DELL will provide me with opportunities for growth and career advancement.
I was interviewed in Jan 2017.
I applied via Campus Placement
I was interviewed in Nov 2016.
Seeking better growth opportunities and challenges
Limited growth potential in current role
Desire to work on more challenging projects
Looking for a company with a better cultural fit
Relocating to a new area
posted on 10 Mar 2015
Algorithm to find 2 numbers in an array whose sum is equal to a target integer
Use a hash table to store the difference between target and each element in the array
Iterate through the array and check if the current element exists in the hash table
Return the pair of elements that sum up to the target integer
Write a select statement to retrieve work of all users who belong to my team.
Join USERS and WORK tables on user_id
Join MANAGERS and USERS tables on team
Filter by manager_id
The manifest.json file contains the most important information of a Chrome extension.
The manifest.json file includes the version number, permissions, content scripts, background scripts, and other important details.
It is located in the root directory of the extension.
It is required for all Chrome extensions.
Example: "manifest_version": 2, "version": "1.0", "permissions": ["tabs", "storage"]
Hashtable is faster for finding an item than a sorted list.
Hashtable has constant time complexity O(1) for finding an item.
Sorted list has logarithmic time complexity O(log n) for finding an item.
Hashtable uses hashing to directly access the item's location.
Sorted list requires binary search to find the item's location.
Hashtable is ideal for large datasets with frequent lookups.
Sorted list is ideal for datasets that re
JSON and XML are the most popular data interchange formats when using APIs.
JSON (JavaScript Object Notation) is a lightweight format that is easy to read and write. It is widely used in web APIs.
XML (Extensible Markup Language) is a more complex format that is also widely used in web APIs.
Other formats include CSV (Comma Separated Values), YAML (YAML Ain't Markup Language), and Protocol Buffers.
Popular APIs for Social Commerce services
Facebook Graph API for social media integration
Instagram API for photo sharing and tagging
Twitter API for real-time updates and customer engagement
Pinterest API for product discovery and sharing
Google Maps API for location-based services
PayPal API for secure payment processing
Use a script to iterate through each HTML page, locate phone numbers, and update their format.
Write a script using a programming language like Python or JavaScript to iterate through each HTML page
Use regular expressions to locate phone numbers in the pages
Update the format of the phone numbers as needed (e.g. adding country code, changing separators)
Save the updated HTML pages with the new phone number format
Designing Google Suggest system
I would start by analyzing user search patterns and frequently searched keywords
Then, I would create a database of these keywords and their associated search results
I would use indexing services to quickly retrieve relevant results for each keyword
I would also implement machine learning algorithms to improve the accuracy of suggestions over time
Check if a number is a power of 2 and odd.
To check if a number is a power of 2, use bitwise AND operator with the number and its predecessor. If the result is 0, it is a power of 2.
To check if a number is odd, use modulus operator with 2. If the result is 1, it is odd.
Example code in Python:
def is_power_of_two(num):
return num & (num - 1) == 0
def is_odd(num):
return num % 2 == 1
By introducing new menu items, optimizing pricing strategy, and improving the overall dining experience.
Conduct a survey to understand the preferences of employees
Introduce healthy and affordable meal options
Offer discounts for bulk orders or loyalty programs
Partner with local vendors to source fresh ingredients
Improve the ambiance and seating arrangements
Implement online ordering and delivery services
Reviewing 30 million ads from 42 languages in Google AdWords and rejecting non-compliant ads requires a systematic approach.
Create a set of specific rules and guidelines for ad compliance
Use automated tools to filter out ads that violate the rules
Assign a team of reviewers to manually check the remaining ads
Ensure that the reviewers are fluent in the languages of the ads they are reviewing
Regularly update the rules and...
I was interviewed before Dec 2020.
Round duration - 60 minutes
Round difficulty - Easy
This was a 60 minute technical round involving questions based on data structures, OOPS concepts, DBMS and projects that I had mentioned in my resume.
Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2)
, with initial conditions F(1) = F(2) = 1
.
Calculate the Nth Fibonacci number efficiently using recursion or dynamic programming.
Implement a recursive function to calculate the Nth Fibonacci number.
Use memoization to store previously calculated Fibonacci numbers for efficiency.
Consider using dynamic programming to optimize the solution.
Handle edge cases such as N = 1 or N = 2 separately.
Ensure the solution works efficiently for large values of N (up to 10000).
Operator overloading in OOP allows custom behavior for operators like +, -, *, etc.
Operator overloading is a feature in OOP that allows defining custom behavior for operators
Example: Overloading the + operator to concatenate strings or add two numbers
Example: Overloading the * operator to perform matrix multiplication
Function overloading is when multiple functions have the same name but different parameters or return types.
Allows multiple functions with the same name but different parameters or return types
Helps improve code readability and maintainability
Example: int add(int a, int b) and float add(float a, float b)
C is a procedural programming language while C++ is a multi-paradigm programming language with object-oriented features.
C is a procedural programming language while C++ supports both procedural and object-oriented programming.
C does not support classes and objects while C++ does.
C does not have built-in support for exception handling while C++ does.
C does not have namespaces while C++ does.
C does not have function over
Round duration - 45 minutes
Round difficulty - Easy
HR round that lasted for 45 minutes. Did brainstorming on puzzles and HR asked questions to know more about me.
Tips : During HR, think before you speak, they can catch any word that you speak. Prepare well for aptitude, as they shortlist less people after the test. Ask good questions during the end of the interviews. It might impress them. So prepare for it before going for the interview. Lastly, don’t be nervous, HRs are only trying to make you nervous during the interview as a part of the stress test.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
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