20+ International Flavors & Fragrances Interview Questions and Answers

An app similar to Shazam for identifying music

• Use audio fingerprinting to identify songs

• Integrate with music databases to retrieve song information

• Provide user-friendly interface for displaying song details

Given a list of intervals, find the non-overlapping intervals.

• Sort the intervals based on their start time.

• Iterate through the intervals and keep track of the latest end time.

• If the start time of the current interval is greater than the latest end time, add it to the non-overlapping intervals.

• If the start time of the current interval is less than or equal to the latest end time, skip it as it overlaps with the previous interval.

Find a coupon for a given category in a category tree, falling back to parent's coupon if necessary.

• Traverse the category tree starting from the given category

• Check if the current category has a coupon, if not move up to its parent

• Repeat until a coupon is found or reach the root category

To add two integer strings, we can convert them to integers and then add them.

• Convert the strings to integers using parseInt() or Number()

• Add the integers using the + operator

• Convert the result back to a string using toString()

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.

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.

SAP S/4 Hana is an integrated ERP software designed for US businesses to streamline operations and improve efficiency.

• SAP S/4 Hana is a next-generation ERP system that integrates various business functions such as finance, sales, procurement, and production.

• It utilizes in-memory computing technology to process large volumes of data in real-time, enabling faster decision-making.

• The software offers advanced analytics and reporting capabilities to help businesses gain insights a...read more

Design a ML model for filtering choices on a website.

• Collect user data on preferences and behavior

• Use collaborative filtering or content-based filtering algorithms

• Implement a recommendation system to suggest choices based on user data

• Regularly update the model with new data for improved accuracy

Design a URL shortener system

• Use a unique identifier for each long URL to generate short URL

• Implement a mapping system to redirect short URL to original long URL

• Consider scalability and performance for high traffic volume

• Implement analytics to track usage and performance of short URLs

A Book Management System to organize and track books in a library or personal collection.

• Create a database to store book information such as title, author, genre, and availability status.

• Implement a user interface for users to search, borrow, return, and add new books.

• Include features like book recommendations, reviews, and notifications for due dates.

• Utilize barcode scanning or ISBN lookup for easy book entry and tracking.

A URL shortener service that converts long URLs into shorter, more manageable links.

• Generate a unique short code for each long URL

• Store the mapping between short code and long URL in a database

• Redirect users from short URL to original long URL when accessed

Dropship is a retail fulfillment method where a store doesn't keep the products it sells in stock, instead transferring the orders to a third party who ships directly to the customer.

• Dropship allows retailers to sell products without holding inventory

• Retailer passes customer orders to a third party for fulfillment and shipping

• Reduces the need for storage space and upfront inventory costs

• Popular in e-commerce businesses

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

Design a parking management system

• Consider the number of parking spaces and their availability

• Implement a system to track and manage parking reservations

• Include features like payment processing and ticketing

• Design a user-friendly interface for customers and administrators

• Ensure scalability and efficiency of the system

Check if a string is palindrome

• Iterate through the string from both ends and compare characters

• Use built-in functions like reverse() to check for palindrome

• Consider ignoring spaces and punctuation for more accurate check

Consistency level refers to the level of agreement between data replicas in a distributed system.

• Consistency levels include strong consistency, eventual consistency, and eventual consistency with causal consistency.

• Strong consistency ensures that all reads and writes are immediately visible to all nodes in the system.

• Eventual consistency allows for temporary inconsistencies between replicas, which are eventually resolved.

• Causal consistency ensures that causally related operat...read more

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

Real-time communication using text, audio, and video in a chat application.

• Text chat for quick messages

• Audio chat for voice communication

• Video chat for face-to-face interaction