LeetCode The Hard Way

Nutanix

70 problems

ProblemDifficultyFrequency Topics
42. Trapping Rain WaterHard71.3%
ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
297. Serialize and Deserialize Binary TreeHard71.3%
StringTreeDepth-First SearchBreadth-First SearchDesignBinary Tree
Max StackHard71.3%
Linked ListStackDesignDoubly-Linked ListOrdered Set
329. Longest Increasing Path in a MatrixHard71.3%
ArrayDynamic ProgrammingDepth-First SearchBreadth-First SearchGraph TheoryTopological SortMemoizationMatrixDirected Acyclic Graph
1014. Best Sightseeing PairMedium71.3%
ArrayDynamic Programming
621. Task SchedulerMedium71.3%
ArrayHash TableGreedySortingHeap (Priority Queue)Counting
210. Course Schedule IIMedium71.3%
Depth-First SearchBreadth-First SearchGraph TheoryTopological Sort
48. Rotate ImageMedium71.3%
ArrayMathMatrix
543. Diameter of Binary TreeEasy71.3%
TreeDepth-First SearchBinary TreeDP on Trees
3SumMedium71.3%
ArrayTwo PointersSorting
3. Longest Substring Without Repeating CharactersMedium71.3%
Hash TableStringSliding Window
First Missing PositiveHard59.5%
ArrayHash Table
45. Jump Game IIMedium59.5%
ArrayDynamic ProgrammingGreedy
417. Pacific Atlantic Water FlowMedium59.5%
ArrayDepth-First SearchBreadth-First SearchMatrix
Boundary of Binary TreeMedium59.5%
TreeDepth-First SearchBinary Tree
347. Top K Frequent ElementsMedium59.5%
ArrayHash TableDivide and ConquerSortingHeap (Priority Queue)Bucket SortCountingQuickselect
1584. Min Cost to Connect All PointsMedium59.5%
ArrayUnion-FindGraph TheoryMinimum Spanning TreePrim's AlgorithmKruskal's AlgorithmBorůvka's Algorithm
139. Word BreakMedium59.5%
ArrayHash TableStringDynamic ProgrammingTrieMemoizationBrute-Force Search
54. Spiral MatrixMedium59.5%
ArrayMatrixSimulation
Meeting Rooms IIMedium59.5%
ArrayTwo PointersGreedySortingHeap (Priority Queue)Prefix Sum
33. Search in Rotated Sorted ArrayMedium59.5%
ArrayBinary Search
133. Clone GraphMedium59.5%
Hash TableDepth-First SearchBreadth-First SearchGraph Theory
130. Surrounded RegionsMedium59.5%
ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Longest Palindromic SubsequenceMedium59.5%
StringDynamic Programming
73. Set Matrix ZeroesMedium59.5%
ArrayHash TableMatrix
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