LeetCode The Hard Way

Microsoft

1371 problems

ProblemDifficultyFrequency Topics
Maximum SwapMedium7.5%
MathGreedy
2044. Count Number of Maximum Bitwise-OR SubsetsMedium7.5%
ArrayBacktrackingBit ManipulationEnumeration
1593. Split a String Into the Max Number of Unique SubstringsMedium7.5%
Hash TableStringBacktracking
Implement Rand10() Using Rand7()Medium7.5%
MathRejection SamplingRandomizedProbability and Statistics
2583. Kth Largest Sum in a Binary TreeMedium7.5%
TreeBreadth-First SearchSortingBinary Tree
2463. Minimum Total Distance TraveledHard7.5%
ArrayDynamic ProgrammingSorting
3011. Find if Array Can Be SortedMedium7.5%
ArrayBit ManipulationSorting
3097. Shortest Subarray With OR at Least K IIMedium7.5%
ArrayBit ManipulationSliding Window
2601. Prime Subtraction OperationMedium7.5%
ArrayMathBinary SearchGreedyNumber Theory
3211. Generate Binary Strings Without Adjacent ZerosMedium7.5%
StringBacktrackingBit Manipulation
Find K-th Smallest Pair DistanceHard7.5%
ArrayTwo PointersBinary SearchSorting
Reformat Department TableEasy7.5%
Database
1455. Check If a Word Occurs As a Prefix of Any Word in a SentenceEasy7.5%
Two PointersStringString Matching
1346. Check If N and Its Double ExistEasy7.5%
ArrayHash TableTwo PointersBinary SearchSorting
2165. Smallest Value of the Rearranged NumberMedium7.5%
MathSorting
Number of Spaces Cleaning Robot CleanedMedium7.5%
ArrayMatrixSimulation
3152. Special Array IIMedium7.5%
ArrayBinary SearchPrefix Sum
2981. Find Longest Special Substring That Occurs Thrice IMedium7.5%
Hash TableStringBinary SearchSliding WindowCounting
2824. Count Pairs Whose Sum is Less than TargetEasy7.5%
ArrayTwo PointersBinary SearchSorting
453. Minimum Moves to Equal Array ElementsMedium7.5%
ArrayMath
2970. Count the Number of Incremovable Subarrays IEasy7.5%
ArrayTwo PointersBinary SearchEnumeration
1408. String Matching in an ArrayEasy7.5%
ArrayStringString Matching
1926. Nearest Exit from Entrance in MazeMedium7.5%
ArrayBreadth-First SearchMatrix
2657. Find the Prefix Common Array of Two ArraysMedium7.5%
ArrayHash TableBit Manipulation
Find Followers CountEasy7.5%
Database
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