Hash Table

6 questions

1LRU CacheMedium

Hash TableLinked ListDesign

2Longest Substring Without Repeating CharactersMedium

Hash TableStringSliding Window

3LRU CacheMedium

Hash TableLinked ListDesign

4Longest Substring with At Most K Distinct CharactersMedium

Hash TableStringSliding Window

5Longest Substring Without Repeating CharactersMedium

Hash TableStringSliding Window

6Vertical Order Traversal of a Binary TreeHard

Hash TableTreeDepth-First Search