Category: Binary tree coding problemYou are given the root of a binary tree. You need to install the minimum number of cameras on the tree nodes such that every node in the tree is...Input: Binary tree Output: Integer
codingHardVerified Question#2
2. [CodeSignal] Warehouse Emergency Deliveries
Category: Array coding problemAmazon has opened a new warehouse recently. There are no products in the warehouse currently. The warehouse is under inspection for n days. The...Input: Array Output: Integer
codingHardVerified Question#3
3. [CodeSignal] Permutation Sorter
Category: Combinatorics coding problemAmazon engineers are testing a new tool, the Permutation Sorter, built to reorder sequences using limited operations. Given a permutation of...Input: Integer(s) Output: Integer
codingHardVerified Question#4
4. [CodeSignal] Maximum Product Rating
Category: Array coding problemThe engineers at Amazon are working on a new rating system for their products. For each product, an array customer_rating is maintained for the...Input: Array Output: Computed result
codingMediumVerified Question#5
5. [CodeSignal] Drone Hub Travel
Category: Array coding problemAmazon is expanding its next-generation drone delivery network, consisting of m hubs arranged in a circular ring (Hub 1 is adjacent to Hub m)....Input: Array Output: Computed result
codingMediumVerified Question#6
6. [CodeSignal] Minimum Security Groups
Category: Array coding problemA financial services company has requested AWS for a private deployment of its cloud network. There are n servers in the network where the security...Input: Array Output: Integer
codingMediumVerified Question#7
7. [CodeSignal] Maximum Secure Deliveries
Category: Array coding problemYou are given an array deliveryLogs of size n, where each element represents the number of parts delivered in the i-th log. You are also given...Input: Array Output: Integer
codingMediumVerified Question#8
8. Maximum Interval Overlap
Category: Interval-based coding problemYou are given a list of closed intervals on the number line, where each interval [start, end] includes both endpoints. Find the maximum number of...Input: List Output: Integer
product strategySeniorproduct strategy#1
1. [OA] G2M Strategy — Launching Amazon's grocery delivery in a new region
Amazon is planning to launch its grocery delivery service in a new metropolitan area. As a Product Manager, you'll need to devise a go-to-market strategy that addresses local competition, delivery logistics, and customer acquisition. What key considerations will shape your strategy in rolling out this service effectively?Success Criteria:
Comprehensive market research report
Clear identification of target customer segments
Detailed execution plan for launch
Defined metrics for post-launch assessment.
Stakeholders:
Local Operations Team
Marketing and Customer Engagement Teams
New customers in the region
Common Pitfalls:
Underestimating logistics challenges specific to the new area
Failing to tailor marketing messages to local culture and preferences
Not considering regulatory requirements for food delivery in the region.
product strategySeniorproduct strategy#2
2. [OA] Market Analysis — Prioritizing new features for Prime Video
Amazon Prime Video is exploring ways to enhance viewer engagement through new features. The Product Manager must analyze user behavior and market competition to prioritize feature development that drives subscriptions and viewership. Given the constraints of product development timelines and user feedback, how would you decide which new features to prioritize?Success Criteria:
Clear rationale for feature selection
Comprehensive analysis of competitive landscape
Consideration of user needs and trends
Justified trade-offs in development.
Stakeholders:
Product Development Team
Marketing Team
End Users (viewers)
Common Pitfalls:
Neglecting qualitative user feedback
Focusing only on competitor analysis without user insights
Overlooking technical limitations of implementation.
product designMediumproduct design#3
3. Designing the Amazon Alexa Voice Skill Marketplace
As a Product Manager for Amazon Alexa, you have been assigned to explore enhancements to the skills marketplace. With thousands of skills available, your role involves scoping new features that enhance user engagement and simplify skill discovery. Imagine you are tasked with launching a new personalized recommendations feature for Alexa skills. How would you approach scoping this feature? What trade-offs would you consider?Success Criteria:
Defined user journey for accessing recommendations
Clear technical feasibility assessment
Strategy for skill developer buy-in
Stakeholders:
Alexa Development Team
Third-party Skill Developers
End Users (Alexa customers)
Common Pitfalls:
Overcomplicating the user interface for skill discovery
Not adequately involving developers in the feature design
Failing to address privacy concerns during implementation.
metricsMediummetrics#4
4. Analyzing Conversion Metrics for Amazon's Website
As a Product Manager for Amazon's e-commerce platform, you are tasked with evaluating the performance of new features added to improve checkout conversion rates. You notice unusual trends in your A/B test results, prompting a deeper dive into conversion metrics. What key performance indicators (KPIs) would you focus on to diagnose any anomalies? How would you analyze the data effectively?Success Criteria:
Clear definition of KPIs to track
Comprehensive data analysis plan
Actionable insights based on findings.
Stakeholders:
Data Analytics Team
E-commerce Development Team
Customers
Common Pitfalls:
Relying solely on high-level metrics without understanding underlying data
Failing to segment data appropriately for analysis