LeetCode The Hard Way

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2324 problems

ProblemDifficultyFrequency Topics
3238. Find the Number of Winning PlayersEasy5.6%
ArrayHash TableCounting
Highest Grade For Each StudentMedium5.6%
Database
3508. Implement RouterMedium5.6%
ArrayHash TableBinary SearchDesignQueueOrdered Set
2716. Minimize String LengthEasy5.6%
Hash TableString
2148. Count Elements With Strictly Smaller and Greater Elements Easy5.6%
ArraySortingCounting
3382. Maximum Area Rectangle With Point Constraints IIHard5.6%
ArrayMathBinary Indexed TreeSegment TreeGeometrySorting
1486. XOR Operation in an ArrayEasy5.6%
MathBit Manipulation
3100. Water Bottles IIMedium5.6%
MathSimulation
3006. Find Beautiful Indices in the Given Array IMedium5.6%
Two PointersStringBinary SearchRolling HashString MatchingHash FunctionZ AlgorithmKnuth–Morris–Pratt AlgorithmBoyer–Moore String-Search Algorithm
1335. Minimum Difficulty of a Job ScheduleHard5.6%
ArrayDynamic Programming
Candy CrushMedium5.6%
ArrayTwo PointersMatrixSimulation
2595. Number of Even and Odd BitsEasy5.6%
Bit Manipulation
Find Students Who ImprovedMedium5.6%
Database
2164. Sort Even and Odd Indices IndependentlyEasy5.6%
ArraySorting
3747. Count Distinct Integers After Removing ZerosMedium5.6%
MathDynamic Programming
1626. Best Team With No ConflictsMedium5.6%
ArrayDynamic ProgrammingSortingLongest Increasing Subsequence
3432. Count Partitions with Even Sum DifferenceEasy5.6%
ArrayMathPrefix Sum
2211. Count Collisions on a RoadMedium5.6%
StringStackSimulation
Zuma GameHard5.6%
StringDynamic ProgrammingStackBreadth-First SearchMemoization
3606. Coupon Code ValidatorEasy5.6%
ArrayHash TableStringSorting
2778. Sum of Squares of Special Elements Easy5.6%
ArrayEnumeration
3562. Maximum Profit from Trading Stocks with DiscountsHard5.6%
ArrayDynamic ProgrammingTreeDepth-First Search
3664. Two-Letter Card GameMedium5.6%
ArrayHash TableStringCountingEnumeration
2535. Difference Between Element Sum and Digit Sum of an ArrayEasy5.6%
ArrayMath
991. Broken CalculatorMedium5.6%
MathGreedy
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