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Explore questions associated with Salesforce. Review the source details, then use the workspace for code, notes, and diagrams.
83 questions in the library. A source association does not guarantee a future interview question.
Behavioral and leadership · Coding · Machine learning · Object-oriented design · System design
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Showing 1–25
Implement an LFU cache with O(1) average-time get and put operations that evicts the least-frequently-used key when capacity is exceeded, breaking ties by least-recently-used…
Companies: Salesforce, Amazon, Apple, Cisco +3
Design · Doubly-Linked List · Hash Table · Linked List
Last reported Nov 2026
Given a list of intervals, merge all overlapping (including touching endpoints) intervals and return the minimal set of non-overlapping intervals that cover them. Key pattern…
Companies: Salesforce, Amazon, Antithesis, Apple +16
Array · Quicksort · Sorting
Last reported Sep 2026
Read-heavy key-value service: unique short-code generation, hot-key caching, redirect semantics.
Companies: Salesforce, Amazon, Anduril, Apple +26
API Design · caching · hot-keys · http-redirects
Last reported Sep 2026
Implement an LRUCache that supports O(1) average-time get(key) returning the value or -1 and put(key, value) which inserts or updates a key and, if capacity…
Companies: Salesforce, Adobe, Amazon, Anthropic +29
Data Structure Design · Design · Doubly-Linked List · Hash Table
Last reported Jul 2026
Given a queue of students with binary sandwich preferences and a stack of sandwiches (top first), students rotate to the back until someone takes the…
Companies: Salesforce
Last reported Jul 2026
Design a multi-threaded logging framework that uses three dedicated threads: one to enqueue incoming log messages, one to write messages from the queue to a…
Companies: Salesforce, Microsoft
Last reported Jul 2026
Design a flash sale system for a large-scale e-commerce platform that allows users to purchase limited-inventory products at discounted prices within a short time window…
Companies: Salesforce, Aspora, Disney, Locus.Sh +1
Last reported Jul 2026
Design a system for delivery drivers where drivers can subscribe to real-time events. The system should support multiple topics and deliver events to all drivers…
Companies: Salesforce, Amazon
Last reported Jul 2026
Given a binary string where every second all occurrences of "01" simultaneously become "10", determine how many seconds until no "01" remains; the core challenge…
Companies: Salesforce
Dynamic Programming · Simulation · String
Last reported Jun 2026
Companies: Salesforce, Amazon, DoorDash, Google
Last reported Jun 2026
Design a coffee shop ordering and receipt system that allows customers to browse the menu, customize and place orders, and receive itemized receipts upon checkout.
Companies: Salesforce, Amazon, Payoneer
Last reported Jun 2026
Given an integer array, return the maximum product obtainable by multiplying any three numbers. Consider both the three largest values and the combination of the…
Companies: Salesforce
Array · Math · Sorting
Last reported Jun 2026
Companies: Salesforce, Google, Meta, NVIDIA +2
Last reported Jun 2026
Companies: Salesforce, Amazon, eBay, Headout +5
Last reported Jun 2026
Companies: Salesforce, Amazon, Anduril, Assort +9
Last reported Jun 2026
Companies: Salesforce, Amazon, Google, Microsoft
Last reported Jun 2026
Design a system for a global fast food restaurant chain that manages location-based menus with different items and pricing, and displays visually appealing menus on…
Companies: Salesforce, Google, Walmart
Last reported Jun 2026
Design a car rental system that allows users to search for available vehicles, make bookings, manage reservations, and handle user accounts and profiles.
Companies: Salesforce, C3 Ai, Mastercard, Meta +2
Last reported Jun 2026
Design a typeahead search system that displays real-time search suggestions as users type their queries. The system should focus on the retrieval and display of…
Companies: Salesforce, Databricks, Expedia, Google +3
System Design
Last reported Jun 2026
Design a 911 call center system that efficiently routes emergency calls to appropriate regional police stations and schedules employees into operational slots. Focus on…
Companies: Salesforce, Uber, Visa
Last reported May 2026
Find the minimum number of obstacles (cells with value 1) you must remove to get from the top-left to the bottom-right of an m×n grid…
Companies: Salesforce
Last reported May 2026
Companies: Salesforce, Anthropic
Last reported Apr 2026
Companies: Salesforce, eBay
Last reported Apr 2026
Companies: Salesforce
Last reported Apr 2026
Companies: Salesforce
Last reported Apr 2026