Hash Table

14 questions

1Find Duplicate SubtreesMedium

Hash TableTreeDepth-First Search

2Most Stones Removed with Same Row or ColumnMedium

Hash TableDepth-First SearchUnion Find

3Amount of Time for Binary Tree to Be InfectedMedium

Hash TableTreeDepth-First Search

4Word LadderHard

Hash TableStringBreadth-First Search

5LRU CacheMedium

Hash TableLinked ListDesign

6Longest Repeating Character ReplacementMedium

Hash TableStringSliding Window

7Copy List with Random PointerMedium

Hash TableLinked List

8Most Stones Removed with Same Row or ColumnMedium

Hash TableDepth-First SearchUnion Find

9Amount of Time for Binary Tree to Be InfectedMedium

Hash TableTreeDepth-First Search

10Word LadderHard

Hash TableStringBreadth-First Search

11LRU CacheMedium

Hash TableLinked ListDesign

12Find Duplicate SubtreesMedium

Hash TableTreeDepth-First Search

13Longest Repeating Character ReplacementMedium

Hash TableStringSliding Window

14Copy List with Random PointerMedium

Hash TableLinked List