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I applied via Walk-in and was interviewed in Jan 2022. There were 4 interview rounds.
.NET is a software framework developed by Microsoft. Boxing and unboxing are operations to convert value types to reference types and vice versa.
Boxing is the process of converting a value type to an object type, which involves creating a new object on the heap and copying the value into it.
Unboxing is the process of extracting the value type from an object type, which involves casting the object to the appropriate val...
SQL is a programming language used to manage and manipulate relational databases.
SQL stands for Structured Query Language
It is used to create, modify, and query databases
Common SQL commands include SELECT, INSERT, UPDATE, and DELETE
SQL is used in many popular database management systems such as MySQL, Oracle, and Microsoft SQL Server
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posted on 28 May 2022
I appeared for an interview in May 2022.
Round duration - 45 Minutes
Round difficulty - Easy
The interviewer was friendly. Explained the question well. Allowed to use any preferred platform to write code.
Given an array prices
representing the prices of a stock where each element indicates the price at a given minute, determine the maximum profit you can ac...
Find the maximum profit by buying and selling a stock once based on given prices.
Iterate through the prices array and keep track of the minimum price seen so far and the maximum profit achievable.
Calculate the profit by subtracting the current price from the minimum price and update the maximum profit if needed.
Return the maximum profit, ensuring it is not negative.
Example: prices = [2, 100, 150, 120], Buy at 2, sell a
Round duration - 60 Minutes
Round difficulty - Medium
Imagine you are helping Ninja, a dance coach, who needs to form dance pairs from the available boys and girls in a studio. Given the number of boys N
, the number of girls M
, a...
The challenge involves forming dance pairs from available boys and girls based on potential pairings to maximize the number of pairs.
Parse the input to get the number of test cases, boys, girls, and potential pairings.
Iterate through the potential pairings and form pairs based on the given indexes.
Output '1' if a set of maximum possible pairs is returned, else output '0'.
There can be multiple valid configurations of pa...
Multiprocessing involves multiple processes running concurrently, while multithreading involves multiple threads within a single process.
Multiprocessing utilizes multiple processes to execute tasks simultaneously.
Multithreading involves multiple threads within a single process sharing the same memory space.
Multiprocessing is typically used for CPU-bound tasks, while multithreading is more suitable for I/O-bound tasks.
E...
Round duration - 60 Minutes
Round difficulty - Hard
Splitwise is a system for managing shared expenses among groups of people.
Classes: User, Expense, Group
Functions: addExpense(), settleUp(), calculateBalance()
Round duration - 60 Minutes
Round difficulty - Hard
Tip 1 : Practice at least 5 questions of each topic of various difficulty levels
Tip 2 : Read out theory articles about your preferred language showing your proficiency in the same.
Tip 3 : Hard work is overrated, consistency is the key.
Tip 1 : Own everything you have there, do not add random skills that you are not proficient in.
Tip 2 : Keep it clean and try to give out minimal but most of the relevant information for the role.
posted on 26 Jun 2017
I appeared for an interview before Jun 2016.
The question asks to construct a k-ary tree using the given k and DFS traversal string.
Iterate through the DFS traversal string
If the current character is 'P', create a parent node
If the current character is 'L', create a leaf node
Link the nodes according to the DFS traversal order
To determine if a graph has a node with n degree, iterate through all nodes and count their edges.
Iterate through each node in the graph
Count the number of edges connected to each node
If any node has n edges, then the graph has a node with n degree
I applied via Campus Placement and was interviewed in May 2024. There were 2 interview rounds.
60 mins and basic quants-based questions along with SQL
Global Interpreter Lock (GIL) in Python restricts execution of multiple threads at once to prevent race conditions.
GIL is a mutex that protects access to Python objects, preventing multiple threads from executing Python bytecodes at once.
This means that even in a multi-threaded Python program, only one thread can execute Python code at a time.
GIL can limit the performance of multi-threaded Python programs, especially f...
I applied via Campus Placement
They asked you to reverse a palidrome
I appeared for an interview before Dec 2020.
Round duration - 87 minutes
Round difficulty - Medium
Timing : It was conducted in evening at 3 PM
The pacreception environment was very user friendly .
The platform was audio and video proctored.
Convert a given binary number, represented as a string 'S' of size 'N', into its decimal equivalent integer and output it.
The first line contains an integer 'T', den...
Convert a binary string to its decimal equivalent integer.
Iterate through the binary string from right to left, multiplying each digit by 2 raised to the power of its position.
Add the results of the multiplication to get the decimal equivalent.
Ensure the binary string consists only of '0' and '1' characters.
Handle multiple test cases by repeating the conversion process for each case.
Round duration - 80 minutes
Round difficulty - Medium
So This was a very interactive round . There were two interviewers , one male and one female . The male interviewer was quite experienced where as female interviewer was relatively new . The Interview started by a small introduction followed by some OOPS related questions where I was tested on how i perceive the concept of OOPS in real life . Then this conversation was followed by some core concepts of JAVA like abstract classes and interfaces . Then I was asked about my projects that i mentioned in my resume , then after some healthy discussion on those projects , the interviewer started to question about DBMS , I was asked some basic queries followed by some advanced queries and then followed by a discussion on SQL vs NoSQL . Then Interviewers asked me about my tech stack and the source of my technical knowledge. Then at last I was asked that why Blackrock and this concluded my Interview.
Ninja is provided with 'N' stars and the task is to construct a triangle such that the 'i'th level of the triangle uses 'i' number of stars. The goal is to make th...
Given 'N' stars, construct a triangle with maximum height using 'i' stars in 'i'th level.
Calculate the maximum height of the triangle using the formula: height = floor((-1 + sqrt(1 + 8 * N)) / 2)
Iterate through each test case and calculate the maximum height for each 'N'.
Output the maximum height for each test case.
Tip 1 : Be precise about what to do and what not to do.
Tip 2 : Always Revise the concepts you have done in past , use prime day revision theory.
Tip 3 : Do as many projects as you can but always mention those projects in which you are very well versed.
Tip 4 : Keep on reading random news related to your favourite tech and always have an in depth knowledge of what tech you currently use.
Tip 1 : Keep it short , precise and effective .
Tip 2 : Mention even small things that you did had an impact on other people.
I applied via LinkedIn and was interviewed before Apr 2022. There were 3 interview rounds.
Tell me about a time where you resolve a conflict
Reverse a string, identify anagram
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Nomura Holdings
Blackrock
Muthoot Homefin India
Adarsh Credit Co-Operative Society