LeetCode The Hard Way

Arista Networks

37 problems

ProblemDifficultyFrequency Topics
125. Valid PalindromeEasy60.1%
Two PointersString
3. Longest Substring Without Repeating CharactersMedium60.1%
Hash TableStringSliding Window
24. Swap Nodes in PairsMedium60.1%
Linked ListRecursion
Decode StringMedium60.1%
StringStackRecursion
1351. Count Negative Numbers in a Sorted MatrixEasy60.1%
ArrayBinary SearchMatrix
346. Moving Average from Data StreamEasy60.1%
ArrayDesignQueueData Stream
Implement Queue using StacksEasy60.1%
StackDesignQueue
2. Add Two NumbersMedium60.1%
Linked ListMathRecursion
3399. Smallest Substring With Identical Characters IIHard60.1%
StringBinary Search
LFU CacheHard60.1%
Hash TableLinked ListDesignDoubly-Linked List
1297. Maximum Number of Occurrences of a SubstringMedium60.1%
Hash TableStringSliding Window
1143. Longest Common SubsequenceMedium60.1%
StringDynamic ProgrammingLongest Common Subsequence
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