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I appeared for an interview before Jan 2023.
Two string manipulation DSA questions (EASY + MEDIUM)
1 medium egg dropping problem
1 hard string manipulation
Dsa problems
3 dsa questions (2 medium+1 hard)
1. Two Voting quque
2. Some dp
3. Trie implementation
Top trending discussions
I appeared for an interview before Sep 2020.
Round duration - 60 Minutes
Round difficulty - Medium
Determine if a given string 'S' is a palindrome, considering only alphanumeric characters and ignoring spaces and symbols.
The string 'S' should be evaluated in a case...
The task is to check whether a given string is a palindrome or not, considering only alphabets and numbers and ignoring symbols and whitespaces.
Convert the string to lowercase and remove all symbols and whitespaces.
Reverse the modified string and compare it with the original string.
If they are equal, then the string is a palindrome.
If not, then the string is not a palindrome.
Given a number N
, calculate its square root and output the integer part only.
18
4
The square root of 18 is approximate...
The task is to find the integral part of the square root of a given number.
Use the built-in square root function to find the square root of the number.
Convert the result to an integer by rounding down or using the floor function.
Print the integer part of the square root as the output.
Given a positive integer N
, your task is to determine the minimum number of steps required to reduce N
to 1.
1) Subtract 1 from it: n = n -...
The task is to find the minimum number of steps required to reduce a positive integer to 1 using three given operations.
Use dynamic programming to solve the problem efficiently.
Create an array to store the minimum steps required for each number from 1 to N.
Iterate from 2 to N and calculate the minimum steps for each number based on the three operations.
Return the minimum steps for N.
Round duration - 60 Minutes
Round difficulty - Medium
They started Fundamentals of OOP- Inheritance, Polymorphism
Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array.
array = [34, -50, 42, 14, -5, 86]
The maximum sum of any contiguous subarray in an array is found using Kadane's algorithm in O(N) time.
Initialize two variables, maxSum and currentSum, both set to the first element of the array.
Iterate through the array from the second element.
For each element, update currentSum by adding the element to it.
If currentSum becomes negative, reset it to 0.
If currentSum is greater than maxSum, update maxSum.
After iterating ...
Round duration - 30 Minutes
Round difficulty - Medium
Some people had two HR interviews but I only had one and interview went up till 11:30 pm and you get only 5-10 minutes to prepare for HR on Zoom
Tip 1 : Solve atleast 200 problems
Tip 2 : Focus on all data structures
Tip 3 : Build some good projects
Tip 1 : Keep it precise and concise.
Tip 2 : Build your resume yourself according your skills
posted on 11 Oct 2020
I applied via Naukri.com and was interviewed in Sep 2020. There were 5 interview rounds.
I applied via Naukri.com and was interviewed in Feb 2020. There was 1 interview round.
I applied via Campus Placement
I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.
Find subset of numbers in array that sum up to zero.
Use a nested loop to iterate through all possible subsets.
Calculate the sum of each subset and check if it equals zero.
Store the subset if the sum is zero.
Optimize the solution by using a hash set to store the cumulative sum of elements.
BFS (Breadth-First Search) is a graph traversal algorithm that explores all the vertices of a graph in breadth-first order.
BFS starts at a given vertex and explores all its neighbors before moving to the next level of vertices.
It uses a queue data structure to keep track of the vertices to be visited.
BFS guarantees that it visits all the vertices of a connected graph.
It can be used to find the shortest path between two
In 5 years, I see myself as a highly skilled software developer, leading a team and contributing to innovative projects.
Continuously improving my technical skills through learning and hands-on experience
Taking on leadership roles and mentoring junior developers
Contributing to the development of cutting-edge software solutions
Building strong relationships with clients and stakeholders
Staying updated with the latest indu...
Object Oriented Programming is a programming paradigm that uses objects to represent real-world entities.
Encapsulation: bundling data and methods that operate on that data within one unit
Inheritance: creating new classes from existing ones, inheriting their properties and methods
Polymorphism: ability of objects to take on multiple forms or behaviors
Abstraction: hiding complex implementation details and providing a simp...
Abstraction is hiding implementation details while polymorphism is using a single interface for multiple types.
Abstraction: Encapsulation, Interfaces, Abstract classes
Polymorphism: Method Overloading, Method Overriding, Interfaces
Abstraction Example: Car - we don't need to know how the engine works to drive it
Polymorphism Example: Animal - different animals have different sounds but they all have a 'makeSound' method
PayPal is an online payment system that allows individuals and businesses to transfer funds electronically.
Allows users to make payments and money transfers online
Offers a secure and convenient way to pay for goods and services
Provides a platform for businesses to accept payments online
Offers buyer and seller protection for eligible transactions
Can be used to send and receive money internationally
I am excited to join PayPal because of its innovative culture and impact on the global economy.
PayPal's commitment to innovation aligns with my passion for staying up-to-date with the latest technologies.
I am impressed by PayPal's global reach and impact on the economy, and I want to be a part of that.
I appreciate PayPal's focus on diversity and inclusion, and I believe in the importance of working for a company with s...
I applied via Campus Placement
I applied via Referral
My biggest achievement till date is successfully leading a team to develop and launch a new software product ahead of schedule.
Led a team of developers to create a new software product
Completed the project ahead of schedule
Received positive feedback from clients and stakeholders
I would address conflicts directly and respectfully, seeking to understand the root cause and find a mutually beneficial solution.
Listen actively to understand the other person's perspective
Communicate clearly and respectfully
Identify the root cause of the conflict
Brainstorm potential solutions together
Be willing to compromise and find a mutually beneficial solution
Success is achieving personal goals, feeling fulfilled, and making a positive impact.
Success is subjective and can vary from person to person.
It involves setting and achieving goals, both short-term and long-term.
Feeling fulfilled and content with one's accomplishments is a key aspect of success.
Making a positive impact on others or the world can also be a measure of success.
Success is not just about material wealth or...
Dijkstra's algorithm finds the shortest path between nodes in a graph.
Create a graph with nodes and edges
Assign a tentative distance to each node
Set the initial node as current and mark it visited
For each neighbor of the current node, calculate the tentative distance
If the tentative distance is less than the current distance, update the distance
Mark the current node as visited and select the unvisited node with the sma...
A program to reverse a singly linked list
Create a new empty linked list
Traverse the original linked list and insert each node at the beginning of the new list
Return the new list
Methods to find nth largest element in an unsorted linked list
Traverse the linked list and store elements in an array, sort the array and return the nth largest element
Use quickselect algorithm to find the nth largest element in O(n) time complexity
Implement a max heap and extract the nth largest element
Divide the linked list into smaller sublists and recursively find the nth largest element
Use merge sort to sort the l
A prime number is a number that is divisible only by 1 and itself.
A prime number has exactly two factors: 1 and itself.
Prime numbers cannot be divided evenly by any other number.
Examples of prime numbers include 2, 3, 5, 7, 11, 13, 17, etc.
Test cases for a bank transaction
Transaction amount within account balance limit
Transaction amount exceeds account balance limit
Transaction to a valid account number
Transaction to an invalid account number
Transaction with correct transaction code
Transaction with incorrect transaction code
Transaction during bank working hours
Transaction outside bank working hours
Design classes for educational institutions in a city
Identify the main entities: schools, students, teachers, courses
Create a School class with attributes like name, address, and a list of students and teachers
Create a Student class with attributes like name, age, and a list of courses
Create a Teacher class with attributes like name, specialization, and a list of courses
Create a Course class with attributes like name, ...
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Paypal is a leading online payment platform with a strong reputation and global presence.
Paypal is a well-established and trusted online payment platform used by millions of users worldwide.
It offers secure and convenient payment options for both individuals and businesses.
Paypal has a strong focus on innovation and technology, making it an exciting place to work for software engineers.
Working at Paypal provides opport...
Paypal is a digital payment platform that allows individuals and businesses to make online transactions.
Paypal provides a secure way to send and receive money online.
It allows users to link their bank accounts, credit cards, or debit cards to their Paypal account.
Users can make payments to merchants or individuals using their Paypal balance or linked payment methods.
Paypal offers buyer and seller protection, dispute re...
In 5 years, I see myself as a senior software engineer leading a team of developers on innovative projects.
Continuing to enhance my technical skills and knowledge through ongoing learning and certifications
Taking on more leadership responsibilities and mentoring junior team members
Contributing to the development of cutting-edge software solutions
Building strong relationships with colleagues and stakeholders to drive pr
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