Question 1

Insert Delete GetRandom O(1) — AppFolio Interview Question

Accepted Answer

"Insert Delete GetRandom O(1)" is a medium difficulty problem asked at AppFolio interviews. It covers the following topics: Array, Hash Table, Math, Design, Randomized. You can practice it on LeetCode: https://leetcode.com/problems/insert-delete-getrandom-o1

Question 2

Shortest Path in a Grid with Obstacles Elimination — AppFolio Interview Question

Accepted Answer

"Shortest Path in a Grid with Obstacles Elimination" is a hard difficulty problem asked at AppFolio interviews. It covers the following topics: Array, Breadth-First Search, Matrix. You can practice it on LeetCode: https://leetcode.com/problems/shortest-path-in-a-grid-with-obstacles-elimination

Question 3

Logger Rate Limiter — AppFolio Interview Question

Accepted Answer

"Logger Rate Limiter" is a easy difficulty problem asked at AppFolio interviews. It covers the following topics: Hash Table, Design, Data Stream. You can practice it on LeetCode: https://leetcode.com/problems/logger-rate-limiter

Question 4

LRU Cache — AppFolio Interview Question

Accepted Answer

"LRU Cache" is a medium difficulty problem asked at AppFolio interviews. It covers the following topics: Hash Table, Linked List, Design, Doubly-Linked List. You can practice it on LeetCode: https://leetcode.com/problems/lru-cache

#	Question Title	Difficulty	Frequency	Topics
1	Insert Delete GetRandom O(1)	MEDIUM	100.0	ArrayHash TableMath+2
2	Shortest Path in a Grid with Obstacles Elimination	HARD	100.0	ArrayBreadth-First SearchMatrix
3	Logger Rate Limiter	EASY	100.0	Hash TableDesignData Stream
4	LRU Cache	MEDIUM	100.0	Hash TableLinked ListDesign+1

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