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I applied via Referral and was interviewed in Oct 2021. There were 3 interview rounds.
Dp problem
- submatrix with maximum sum
Implement zig zag traversal of a tree and generate all permutations of numbers in a given array.
For zig zag traversal of a tree, use a queue or stack to keep track of nodes at each level and alternate the direction of traversal.
To generate all permutations of numbers in an array, use backtracking or recursion to explore all possible combinations.
Consider using a HashSet to avoid duplicate permutations.
I applied via LinkedIn and was interviewed in Oct 2023. There were 2 interview rounds.
I applied via Recruitment Consulltant
PaySafe India interview questions for popular designations
Designing a risk handling case management product involves creating a system to identify, assess, prioritize, and mitigate risks.
Identify key stakeholders and their roles in the risk management process
Develop a risk assessment framework to evaluate the likelihood and impact of potential risks
Implement a system for tracking and monitoring risks throughout their lifecycle
Integrate tools for documenting risk mitigation st...
I applied via LinkedIn and was interviewed before Apr 2023. There were 2 interview rounds.
Payment flow involves initiation, authorization, processing, and settlement of a financial transaction.
Initiation: Customer places an order and selects payment method.
Authorization: Payment gateway verifies funds availability and approves the transaction.
Processing: Payment details are sent to the acquiring bank for processing.
Settlement: Funds are transferred from customer's account to merchant's account.
Confirmation:...
I applied via LinkedIn and was interviewed before Jul 2021. There were 2 interview rounds.
Was given couple of scenarios and has been asked to write code for same and explain it later.
Top trending discussions
I applied via Campus Placement and was interviewed in Dec 2016. There were 6 interview rounds.
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
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Detecting loop in a linked list
Use two pointers, one moving one node at a time and the other moving two nodes at a time
If there is a loop, the two pointers will eventually meet
If any of the pointers reach the end of the list, there is no loop
DFS (Depth-First Search) is a graph traversal algorithm that explores as far as possible along each branch before backtracking.
DFS uses a stack to keep track of visited nodes and explore adjacent nodes.
It can be implemented recursively or iteratively.
DFS is useful for solving problems like finding connected components, detecting cycles, and solving mazes.
To find a cycle in a graph, use depth-first search (DFS) and keep track of visited nodes.
Implement DFS algorithm to traverse the graph
Maintain a visited array to keep track of visited nodes
If a visited node is encountered again during DFS, a cycle exists
Hashing is a process of converting data into a fixed-size numerical value called a hash code.
Hashing is used to quickly retrieve data from large datasets.
It is commonly used in data structures like hash tables and hash maps.
Hash functions should be fast, deterministic, and produce unique hash codes for different inputs.
Examples of hash functions include MD5, SHA-1, and SHA-256.
The question asks for the number of pairs between 1 and N that satisfy a specific mathematical relation.
The relation is pow(a,3) + pow(b,3) = pow(c,3) + pow(d,3)
The values of a, b, c, and d should be less than or equal to N
Count the number of pairs that satisfy the relation
Merge sort is a divide-and-conquer algorithm that recursively divides an array into two halves, sorts them, and then merges them.
Divide the array into two halves
Recursively sort each half
Merge the sorted halves back together
Repeat until the entire array is sorted
I want to join PayPal because of its innovative technology, global impact, and strong company culture.
Innovative technology - PayPal is known for its cutting-edge technology and digital payment solutions.
Global impact - Working at PayPal would allow me to contribute to a company that has a worldwide reach and influence.
Strong company culture - I value a company that prioritizes diversity, inclusion, and employee well-b...
I recently learned about the benefits of using Docker for containerization.
Docker allows for easy packaging and deployment of applications
It helps in creating consistent environments across different platforms
Docker containers are lightweight and efficient
Example: I used Docker to containerize a microservices architecture for a recent project
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