LeetCode The Hard Way

Bloomberg

1239 problems

ProblemDifficultyFrequency Topics
Longest Harmonious SubsequenceEasy17.9%
ArrayHash TableSliding WindowSortingCounting
1423. Maximum Points You Can Obtain from CardsMedium17.9%
ArraySliding WindowPrefix Sum
1094. Car PoolingMedium17.9%
ArraySortingHeap (Priority Queue)SimulationPrefix Sum
Design a Todo ListMedium17.9%
ArrayHash TableStringDesignSorting
765. Couples Holding HandsHard17.9%
GreedyDepth-First SearchBreadth-First SearchUnion-FindGraph Theory
Create Maximum NumberHard17.9%
ArrayTwo PointersStackGreedyMonotonic Stack
1475. Final Prices With a Special Discount in a ShopEasy17.9%
ArrayStackMonotonic Stack
942. DI String MatchEasy17.9%
ArrayTwo PointersStringGreedy
Add StringsEasy17.9%
MathStringSimulation
Expression Add OperatorsHard17.9%
MathStringBacktracking
752. Open the LockMedium17.9%
ArrayHash TableStringBreadth-First SearchBidirectional Search
Excel Sheet Column NumberEasy17.9%
MathString
3381. Maximum Subarray Sum With Length Divisible by KMedium17.9%
ArrayHash TablePrefix Sum
Game of LifeMedium17.9%
ArrayMatrixSimulation
Random Pick with WeightMedium17.9%
ArrayMathBinary SearchPrefix SumRandomized
983. Minimum Cost For TicketsMedium17.9%
ArrayDynamic Programming
1408. String Matching in an ArrayEasy17.9%
ArrayStringString Matching
93. Restore IP AddressesMedium17.9%
StringBacktracking
1171. Remove Zero Sum Consecutive Nodes from Linked ListMedium17.9%
Hash TableLinked List
1726. Tuple with Same ProductMedium17.9%
ArrayHash TableCounting
2342. Max Sum of a Pair With Equal Sum of DigitsMedium17.9%
ArrayHash TableSortingHeap (Priority Queue)
Minimum Height TreesMedium17.9%
Depth-First SearchBreadth-First SearchGraph TheoryTopological Sort
Distribute CandiesEasy17.9%
ArrayHash Table
1749. Maximum Absolute Sum of Any SubarrayMedium17.9%
ArrayDynamic Programming
844. Backspace String CompareEasy17.9%
Two PointersStringStackSimulation
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