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AppFolio

4 questions tracked3 with solutions
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Frequency scoreSorted highest β†’ lowest frequencyβœ“ Our Solution = we have a detailed walkthrough

Showing 4 of 4 questions

1
MediumInsert Delete GetRandom O(1)βœ“ Our Solution
100
ArrayHash TableMathDesign+1
2
HardShortest Path in a Grid with Obstacles Eliminationβœ“ Our Solution
100
ArrayBreadth-First SearchMatrix
3
EasyLogger Rate Limiter
100
Hash TableDesignData Stream
4
MediumLRU Cacheβœ“ Our Solution
100
Hash TableLinked ListDesignDoubly-Linked List