LeetCode The Hard Way

Bloomberg

1239 problems

ProblemDifficultyFrequency Topics
Last Person to Fit in the BusMedium29.9%
Database
1478. Allocate MailboxesHard29.9%
ArrayMathDynamic ProgrammingSorting
1700. Number of Students Unable to Eat LunchEasy29.9%
ArrayStackQueueSimulation
1816. Truncate SentenceEasy29.9%
ArrayString
1832. Check if the Sentence Is PangramEasy29.9%
Hash TableString
Maximum Number of Accepted InvitationsMedium29.9%
ArrayDepth-First SearchGraph TheoryMatrixMaximum FlowMaximum MatchingBipartite GraphEdmonds–Karp AlgorithmMPM AlgorithmPush-Relabel AlgorithmMatching (Graph)Flow NetworkDinic's Algorithm
1893. Check if All the Integers in a Range Are CoveredEasy29.9%
ArrayHash TablePrefix Sum
Confirmation RateMedium29.9%
Database
2515. Shortest Distance to Target String in a Circular ArrayEasy29.9%
ArrayString
Product Sales Analysis IIIMedium29.9%
Database
Maximum SwapMedium29.9%
MathGreedy
Friend Requests II: Who Has the Most FriendsMedium29.9%
Database
Serialize and Deserialize N-ary TreeHard29.9%
StringTreeDepth-First SearchBreadth-First Search
Restaurant GrowthMedium29.9%
Database
2161. Partition Array According to Given PivotMedium29.9%
ArrayTwo PointersSimulation
1502. Can Make Arithmetic Progression From SequenceEasy29.9%
ArraySorting
Permutations IIMedium27.5%
ArrayBacktrackingSorting
N-Queens IIHard27.5%
BacktrackingAlgorithm X
91. Decode WaysMedium27.5%
StringDynamic Programming
Minimum Depth of Binary TreeEasy27.5%
TreeDepth-First SearchBreadth-First SearchBinary Tree
Best Time to Buy and Sell Stock IIIHard27.5%
ArrayDynamic Programming
Word Ladder IIHard27.5%
Hash TableStringBacktrackingBreadth-First SearchBidirectional Search
133. Clone GraphMedium27.5%
Hash TableDepth-First SearchBreadth-First SearchGraph Theory
Max Points on a LineHard27.5%
ArrayHash TableMathGeometryEuclidean AlgorithmGreatest Common Divisor
290. Word PatternEasy27.5%
Hash TableString
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