LeetCode The Hard Way

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2324 problems

ProblemDifficultyFrequency Topics
3419. Minimize the Maximum Edge Weight of GraphMedium14.8%
Binary SearchDepth-First SearchBreadth-First SearchGraph TheoryShortest Path
Super PowMedium14.8%
MathDivide and ConquerEuler's Totient FunctionEuler's Theorem
1800. Maximum Ascending Subarray SumEasy14.8%
Array
Degree of an ArrayEasy14.8%
ArrayHash Table
1574. Shortest Subarray to be Removed to Make Array SortedMedium14.8%
ArrayTwo PointersBinary SearchStackMonotonic Stack
Hamming DistanceEasy14.8%
Bit Manipulation
Movie RatingMedium14.8%
Database
873. Length of Longest Fibonacci SubsequenceMedium14.8%
ArrayHash TableDynamic Programming
2492. Minimum Score of a Path Between Two CitiesMedium14.8%
Depth-First SearchBreadth-First SearchUnion-FindGraph Theory
2460. Apply Operations to an ArrayEasy14.8%
ArrayTwo PointersSimulation
2379. Minimum Recolors to Get K Consecutive Black BlocksEasy14.8%
StringSliding Window
3108. Minimum Cost Walk in Weighted GraphHard14.8%
ArrayBit ManipulationUnion-FindGraph Theory
Calculate Special BonusEasy14.8%
Database
1710. Maximum Units on a TruckEasy14.8%
ArrayGreedySorting
2572. Count the Number of Square-Free SubsetsMedium14.8%
ArrayMathDynamic ProgrammingBit ManipulationNumber TheoryBitmask
2069. Walking Robot Simulation IIMedium14.8%
DesignSimulation
2874. Maximum Value of an Ordered Triplet IIMedium14.8%
ArrayPrefix Sum
1123. Lowest Common Ancestor of Deepest LeavesMedium14.8%
Hash TableTreeDepth-First SearchBreadth-First SearchBinary TreeBinary LiftingLowest Common AncestorDP on Trees
2999. Count the Number of Powerful IntegersHard14.8%
MathStringDynamic Programming
2176. Count Equal and Divisible Pairs in an ArrayEasy14.8%
Array
3370. Smallest Number With All Set BitsEasy14.8%
MathBit Manipulation
3343. Count Number of Balanced PermutationsHard14.8%
MathStringDynamic ProgrammingCombinatorics
2918. Minimum Equal Sum of Two Arrays After Replacing ZerosMedium14.8%
ArrayGreedy
3381. Maximum Subarray Sum With Length Divisible by KMedium14.8%
ArrayHash TablePrefix Sum
3536. Maximum Product of Two DigitsEasy14.8%
MathSorting
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