Category: Graph coding problemYou are helping users find the most cost-effective way to get all the services they want for their rental property. You are given: - A list of...Input: Graph (nodes and edges) Output: Computed result
codingHardVerified Question#2
2. Best Ski Route
Category: Graph coding problem
Question You are skiing down from the top of a mountain and want to maximize your score when you reach the finish. There are multiple routes you...
Input: Graph (nodes and edges) Output: Computed result
codingMediumVerified Question#3
3. Design A Queue
Category: Array coding problemDesign a queue data structure that mimics memory allocation patterns. The queue must store elements in fixed-size blocks (arrays), where each...Input: Array Output: Computed result
codingHardVerified Question#4
4. Menu Order Equaling Target Sum
Category: Algorithm coding problemYou are given a menu containing prices of individual items. Given a target amount of money, find all possible combinations of menu items that...Input: Integer(s) Output: Integer
codingHardVerified Question#5
5. Most Cost Effective Menu Order
Category: Dynamic programming coding problemYou are building an app that helps users determine the most cost-effective order they can place at a restaurant for the food items they want. You...Input: List Output: Computed result
codingMediumVerified Question#6
6. Best Way To Split Stay
Category: Graph coding problemYou are building a property recommendation system for vacation rentals. Given a list of available properties, you need to find the optimal...Input: Graph (nodes and edges) Output: Integer
codingMediumVerified Question#7
7. Maximize Task Points
Category: Algorithm coding problemYou are given a set of tasks, each with a deadline and a reward (profit) for completing it. Each task takes exactly one day to complete, and only...Input: Given input Output: Computed result
codingHardVerified Question#8
8. Collatz Sequence
Category: Algorithm coding problemThe Collatz conjecture is a famous unsolved problem in mathematics. For any positive integer n, the sequence is defined as follows: - If n is...Input: Integer(s) Output: Computed result
codingMediumVerified Question#9
9. Shortest Maze Path
Category: Grid/matrix coding problem
Question You are in a maze that is represented as a grid of cells, where each cell is either empty (O) or blocked (X). You can move up, down,...
Input: 2D grid Output:** Integer
codingHardVerified Question#10
10. Implement Refunds
Category: Algorithm coding problem
Question AirBnB has a need to support refunds for our customers in case of booking changes or cancellations.
Input: List Output: Array
product strategySeniorproduct strategy#1
1. [OA] Product Strategy — Implementing an event hosting feature
As Airbnb continues to expand its offerings, the capacity for users to host and participate in local events becomes crucial. This ties into the company's mission of connecting people. Problem Statement: How would you approach the introduction of an event-hosting feature on the Airbnb platform? What stakeholders would be involved, and what metrics would you employ to measure success?Success Criteria:
Clarity on the user experience for both hosts and attendees.
Identification of potential challenges in operationalizing events.
A comprehensive launch strategy for the feature.
Defined measures of success for user engagement and satisfaction.
End users: Community members, Event attendees, Hosts.
Partners: Event vendors, Local authorities.
Common Pitfalls:
Misunderstanding safety and legal implications tied to events.
Not adequately addressing the needs and concerns of the community.
Lack of marketing efforts leading to low adoption rate.
Framework Answer:
Use the CIRCLES framework to outline a user-centered approach for designing the event feature. Assess what users need by empathizing with them and identifying pain points in organizing events.
Specify groups of stakeholders involved, emphasizing collaboration with legal teams to avoid compliance issues. Define usage data collection methods to assess event success through A/B testing.
product strategySeniorproduct strategy#2
2. [OA] Product Strategy — Defining a new service for long-term stays
Airbnb has increasingly seen a rising demand for long-term stays as remote work becomes more prevalent. This requires a strategic evaluation of new service offerings and their potential impact on the platform's existing ecosystem. Problem Statement: How would you approach the development and implementation of a new service tailored for long-term stays? Consider user needs, market trends, and Airbnb's unique value proposition in your analysis. Discuss how this service aligns with Airbnb's mission to create a world where anyone can belong anywhere. Success Criteria:
Clearly defined user segments for long-term stays.
Differentiation from competitors in the long-term rental market.
A detailed go-to-market strategy including marketing tactics.
Metrics for evaluating the success of the new service post-launch.
End users: Remote workers, Digital nomads, Families.
Partners: Property owners, Local businesses.
Common Pitfalls:
Failing to identify or validate user needs accurately.
Overlooking existing resources and scalability of the service.
Lack of a clear metric for success beyond engagement levels.
Framework Answer:
Use the Jobs-to-be-Done framework to deeply understand the motivations behind long-term stays. Discuss how the new service must meet these needs while being aligned with broader company goals.
Identify who the key users are and their specific needs, focusing on long-term accommodations and community integration.
Describe a phased roll-out strategy: first testing in select markets before a wider U.S. launch, supported by user feedback.
Propose measurable success criteria, such as user retention rates and growth in inquiries and bookings for long stays.
Discuss potential risks, such as pricing wars with traditional long-term rental platforms, and how to mitigate them through strategic partnerships and unique offerings.
product designMediumproduct design#3
3. [OA] Product Design — Enhancing the Airbnb review system
The review system is crucial for building trust within the Airbnb community. Enhancing this feature could significantly influence guest choices and host credibility. Problem Statement: What changes would you propose to improve the current review system on Airbnb? How would you assess the impact of these changes on user engagement and trust?Success Criteria:
Suggestions must improve the quantity and quality of reviews.
An outlined strategy for implementing these changes.
Metrics for measuring the effectiveness of the new review system.
Consideration of user feedback in the design process.
Not effectively addressing the issues current users face with reviews.
Overlooking the scalability of proposed features.
Inadequate time spent on testing the new system before rollout.
Framework Answer:
Utilize the HEART framework to outline how user satisfaction and engagement can be improved through review enhancements. Discuss gathering qualitative data from user surveys to understand needs and pain points, which can shape new design features. Define metrics such as review completion rates and response times to track success post-implementation.
product designMediumproduct design#4
4. [OA] Product Design — Revamping the Airbnb search experience
The search feature on Airbnb is critical to discovering listings and making bookings. Improving this feature could greatly enhance user satisfaction and conversion rates. Problem Statement: How would you approach the redesign of the Airbnb search experience to improve user engagement? Identify potential challenges in the design and how you would mitigate them.Success Criteria:
User journey maps that reflect improved search functionality.
Key performance indicators to measure search efficiency.
Prototypes for a redesigned user interface (UI) that align with best practices.
Mitigation strategies for identified challenges in the redesign.
Key Stakeholders:
Internal teams: UX/UI Designers, Product Managers, Data Analysts.
End users: Travelers, Hosts.
Partners: Technology vendors, Third-party data providers.
Common Pitfalls:
Ignoring the needs of different user personas.
Over-complicating the search interface rather than simplifying it.
Lack of sufficient testing phases that could provide valuable user feedback.
Framework Answer:
Utilize the Double Diamond framework focusing on the two phases of discovery and delivery. Discuss how you'd gather user feedback to iterate on search features and the importance of user personas in this context.
Clearly analyze the user journeys, highlighting pain points that become opportunities for improvement while defining measurable success metrics such as time to find and book listings.