LeetCode The Hard Way

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62 problems

ProblemDifficultyFrequency Topics
76. Minimum Window SubstringHard37.6%
Hash TableStringSliding Window
864. Shortest Path to Get All KeysHard37.6%
ArrayBit ManipulationBreadth-First SearchMatrix
1091. Shortest Path in Binary MatrixMedium37.6%
ArrayBreadth-First SearchMatrix
827. Making A Large IslandHard37.6%
ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
605. Can Place FlowersEasy37.6%
ArrayGreedy
Nth DigitMedium37.6%
MathBinary Search
Minimum Window SubsequenceHard37.6%
StringDynamic ProgrammingSliding Window
829. Consecutive Numbers SumHard37.6%
MathEnumeration
1928. Minimum Cost to Reach Destination in TimeHard37.6%
ArrayDynamic ProgrammingGraph TheoryDijkstra's Algorithm
2101. Detonate the Maximum BombsMedium37.6%
ArrayMathDepth-First SearchBreadth-First SearchGraph TheoryGeometry
322. Coin ChangeMedium37.6%
ArrayDynamic ProgrammingBreadth-First SearchKnapsack ProblemComplete Knapsack
973. K Closest Points to OriginMedium37.6%
ArrayMathDivide and ConquerGeometrySortingHeap (Priority Queue)QuickselectK-D Tree
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