Wayfair Interview Questions, Process, and Tips

Find best coupon code for given store hierarchy

Q1. Shazam system design
Ans. 
Shazam system design involves audio fingerprinting to identify songs by matching audio samples.
• Use audio fingerprinting to create unique identifiers for songs

• Store fingerprints in a database for quick retrieval

• Implement algorithms to match user audio samples with stored fingerprints

• Consider scalability and efficiency in handling large music libraries
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Q1. Hiring Manager round to discuss projec. Behavioural questions were asked.
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Hackerrank assessment - 2 coding questions 1 sql

Q1. Coding Interview on DSA - Max product subarray
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Q2. Find the indices for max product subarray
Ans. 
Find the indices of the subarray with the maximum product in an array.
• Iterate through the array and keep track of the maximum product, starting index, and ending index.

• Consider both positive and negative numbers while calculating the product.

• Return the starting and ending indices of the subarray with the maximum product.
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Q1. System Design - Design a bike rental shop.
Ans. 
Design a bike rental shop system.
• Create a database to store information about bikes, customers, rentals, etc.

• Develop a user-friendly website or mobile app for customers to browse and rent bikes.

• Implement a payment system for customers to pay for rentals.

• Have a system in place for bike maintenance and tracking.

• Consider implementing a rating system for customers to provide feedback on bikes and service.
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Function to add two numbers provided in string format

Q1. Design parking lot
Ans. 
Design a parking lot system
• Consider the size and layout of the parking lot

• Include designated parking spaces for different types of vehicles (e.g. compact, regular, handicapped)

• Implement a ticketing system for entry and exit

• Incorporate security measures such as surveillance cameras and barriers

• Include a payment system for parking fees
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SQL ,Python, Case study

Product Based Case study

Extensive business case study

2 DS-Algo Questions were asked

Q1. Related to dfs & graph
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3 questions, 2 dsa and 1 sql query