LeetCode The Hard Way

Bloomberg

1239 problems

ProblemDifficultyFrequency Topics
3550. Smallest Index With Digit Sum Equal to IndexEasy8.3%
ArrayMath
1603. Design Parking SystemEasy8.3%
DesignSimulationCounting
1675. Minimize Deviation in ArrayHard8.3%
ArrayGreedyHeap (Priority Queue)Ordered Set
1523. Count Odd Numbers in an Interval RangeEasy8.3%
Math
1674. Minimum Moves to Make Array ComplementaryMedium8.3%
ArrayHash TablePrefix Sum
3727. Maximum Alternating Sum of SquaresMedium8.3%
ArrayGreedySorting
Department Highest SalaryMedium8.3%
Database
2001. Number of Pairs of Interchangeable RectanglesMedium8.3%
ArrayHash TableMathCountingNumber Theory
2096. Step-By-Step Directions From a Binary Tree Node to AnotherMedium8.3%
StringTreeDepth-First SearchBinary TreeBinary LiftingLowest Common Ancestor
2913. Subarrays Distinct Element Sum of Squares IEasy8.3%
ArrayHash TableBinary Indexed TreeSegment Tree
Beautiful Arrangement IIMedium8.3%
ArrayMath
1824. Minimum Sideway JumpsMedium8.3%
ArrayDynamic ProgrammingGreedy
1569. Number of Ways to Reorder Array to Get Same BSTHard8.3%
ArrayMathDivide and ConquerDynamic ProgrammingTreeUnion-FindBinary Search TreeMemoizationCombinatoricsBinary TreeFermat's Little Theorem
3886. Sum of Sortable IntegersHard8.3%
ArrayMathSortingEnumeration
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