LeetCode The Hard Way

Microsoft

1371 problems

ProblemDifficultyFrequency Topics
3197. Find the Minimum Area to Cover All Ones IIHard12.3%
ArrayMatrixEnumeration
1334. Find the City With the Smallest Number of Neighbors at a Threshold DistanceMedium12.3%
Dynamic ProgrammingGraph TheoryShortest PathDijkstra's AlgorithmBellman–Ford AlgorithmFloyd–Warshall Algorithm
3234. Count the Number of Substrings With Dominant OnesMedium12.3%
StringEnumeration
847. Shortest Path Visiting All NodesHard12.3%
Dynamic ProgrammingBit ManipulationBreadth-First SearchGraph TheoryBitmask
Percentage of Users Attended a ContestEasy12.3%
Database
1932. Merge BSTs to Create Single BSTHard12.3%
ArrayHash TableTreeDepth-First SearchBinary Search TreeBinary Tree
Split Linked List in PartsMedium12.3%
Linked List
941. Valid Mountain ArrayEasy12.3%
Array
1688. Count of Matches in TournamentEasy12.3%
MathSimulation
1381. Design a Stack With Increment OperationMedium12.3%
ArrayStackDesign
1614. Maximum Nesting Depth of the ParenthesesEasy12.3%
StringStackBracket Sequences
1590. Make Sum Divisible by PMedium12.3%
ArrayHash TablePrefix Sum
Range Sum Query 2D - ImmutableMedium12.3%
ArrayDesignMatrixPrefix Sum
3163. String Compression IIIMedium12.3%
String
286. Walls and GatesMedium12.3%
ArrayBreadth-First SearchMatrix
1957. Delete Characters to Make Fancy StringEasy12.3%
String
2769. Find the Maximum Achievable NumberEasy12.3%
Math
1652. Defuse the BombEasy12.3%
ArraySliding Window
1072. Flip Columns For Maximum Number of Equal RowsMedium12.3%
ArrayHash TableMatrix
1861. Rotating the BoxMedium12.3%
ArrayTwo PointersMatrix
List the Products Ordered in a PeriodEasy12.3%
Database
2577. Minimum Time to Visit a Cell In a GridHard12.3%
ArrayBreadth-First SearchGraph TheoryHeap (Priority Queue)MatrixShortest Path
Fix Names in a TableEasy12.3%
Database
K Inverse Pairs ArrayHard12.3%
Dynamic Programming
3264. Final Array State After K Multiplication Operations IEasy12.3%
ArrayMathHeap (Priority Queue)Simulation
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