LeetCode The Hard Way

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2324 problems

ProblemDifficultyFrequency Topics
3211. Generate Binary Strings Without Adjacent ZerosMedium5.6%
StringBacktrackingBit Manipulation
1319. Number of Operations to Make Network ConnectedMedium5.6%
Depth-First SearchBreadth-First SearchUnion-FindGraph Theory
1383. Maximum Performance of a TeamHard5.6%
ArrayGreedySortingHeap (Priority Queue)
1442. Count Triplets That Can Form Two Arrays of Equal XORMedium5.6%
ArrayHash TableMathBit ManipulationPrefix Sum
1481. Least Number of Unique Integers after K RemovalsMedium5.6%
ArrayHash TableGreedySortingCounting
Bank Account Summary IIEasy5.6%
Database
1823. Find the Winner of the Circular GameMedium5.6%
ArrayMathRecursionQueueSimulation
Egg Drop With 2 Eggs and N FloorsMedium5.6%
MathDynamic Programming
2976. Minimum Cost to Convert String IMedium5.6%
ArrayStringGraph TheoryShortest Path
2864. Maximum Odd Binary NumberEasy5.6%
MathStringGreedy
1568. Minimum Number of Days to Disconnect IslandHard5.6%
ArrayDepth-First SearchBreadth-First SearchMatrixStrongly Connected ComponentArticulation Point
Maximum Distance in ArraysMedium5.6%
ArrayGreedy
Number ComplementEasy5.6%
Bit Manipulation
2418. Sort the PeopleEasy5.6%
ArrayHash TableStringSorting
3282. Reach End of Array With Max ScoreMedium5.6%
ArrayGreedy
3287. Find the Maximum Sequence Value of ArrayHard5.6%
ArrayDynamic ProgrammingBit Manipulation
1371. Find the Longest Substring Containing Vowels in Even CountsMedium5.6%
Hash TableStringBit ManipulationPrefix Sum
Super Washing MachinesHard5.6%
ArrayGreedy
1275. Find Winner on a Tic Tac Toe GameEasy5.6%
ArrayHash TableMatrixSimulation
1010. Pairs of Songs With Total Durations Divisible by 60Medium5.6%
ArrayHash TableCounting
1691. Maximum Height by Stacking Cuboids Hard5.6%
ArrayDynamic ProgrammingSorting
2336. Smallest Number in Infinite SetMedium5.6%
Hash TableDesignHeap (Priority Queue)Ordered Set
2696. Minimum String Length After Removing SubstringsEasy5.6%
StringStackSimulation
1963. Minimum Number of Swaps to Make the String BalancedMedium5.6%
Two PointersStringStackGreedyBracket Sequences
1203. Sort Items by Groups Respecting DependenciesHard5.6%
Depth-First SearchBreadth-First SearchGraph TheoryTopological SortDirected Acyclic Graph
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