LeetCode The Hard Way

Moloco

12 problems

ProblemDifficultyFrequency Topics
200. Number of IslandsMedium100%
ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
146. LRU CacheMedium100%
Hash TableLinked ListDesignDoubly-Linked List
1048. Longest String ChainMedium92%
ArrayHash TableTwo PointersStringDynamic ProgrammingSorting
42. Trapping Rain WaterHard80.7%
ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
827. Making A Large IslandHard80.7%
ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
2116. Check if a Parentheses String Can Be ValidMedium80.7%
StringStackGreedyBracket Sequences
210. Course Schedule IIMedium80.7%
Depth-First SearchBreadth-First SearchGraph TheoryTopological Sort
Decode StringMedium80.7%
StringStackRecursion
76. Minimum Window SubstringHard80.7%
Hash TableStringSliding Window
Number of Islands IIHard80.7%
ArrayHash TableUnion-Find
994. Rotting OrangesMedium80.7%
ArrayBreadth-First SearchMatrix
23. Merge k Sorted ListsHard80.7%
Linked ListDivide and ConquerHeap (Priority Queue)Merge SortTournament Sort
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