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Hash Table

37 questions

1Throne InheritanceMedium

Hash TableTreeDepth-First Search

2Count Vowel Substrings of a StringEasy

Hash TableString

3Design In-Memory File SystemHard

Hash TableStringDesign

4Happy NumberEasy

Hash TableMathTwo Pointers

5Design In-Memory File SystemHard

Hash TableStringDesign

6Happy NumberEasy

Hash TableMathTwo Pointers

7Count Vowel Substrings of a StringEasy

Hash TableString

8Throne InheritanceMedium

Hash TableTreeDepth-First Search

9Find All Anagrams in a StringMedium

Hash TableStringSliding Window

10Happy NumberEasy

Hash TableMathTwo Pointers

11Minimum Window SubstringHard

Hash TableStringSliding Window

12Design In-Memory File SystemHard

Hash TableStringDesign

13Find All Anagrams in a StringMedium

Hash TableStringSliding Window

14Throne InheritanceMedium

Hash TableTreeDepth-First Search

15Count Vowel Substrings of a StringEasy

Hash TableString

16Time Based Key-Value StoreMedium

Hash TableStringBinary Search

17LRU CacheMedium

Hash TableLinked ListDesign

18Copy List with Random PointerMedium

Hash TableLinked List

19Design Log Storage SystemMedium

Hash TableStringDesign

20Most Stones Removed with Same Row or ColumnMedium

Hash TableDepth-First SearchUnion-Find

21Implement Trie (Prefix Tree)Medium

Hash TableStringDesign

22Roman to IntegerEasy

Hash TableMathString

23Design File SystemMedium

Hash TableStringDesign

24Happy NumberEasy

Hash TableMathTwo Pointers

25Design In-Memory File SystemHard

Hash TableStringDesign

26Minimum Window SubstringHard

Hash TableStringSliding Window

27Throne InheritanceMedium

Hash TableTreeDepth-First Search

28Find All Anagrams in a StringMedium

Hash TableStringSliding Window

29Count Vowel Substrings of a StringEasy

Hash TableString

30Time Based Key-Value StoreMedium

Hash TableStringBinary Search

31LRU CacheMedium

Hash TableLinked ListDesign

32Copy List with Random PointerMedium

Hash TableLinked List

33Design Log Storage SystemMedium

Hash TableStringDesign

34Roman to IntegerEasy

Hash TableMathString

35Most Stones Removed with Same Row or ColumnMedium

Hash TableDepth-First SearchUnion-Find

36Implement Trie (Prefix Tree)Medium

Hash TableStringDesign

37Design File SystemMedium

Hash TableStringDesign