LeetCode The Hard Way

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2324 problems

ProblemDifficultyFrequency Topics
1145. Binary Tree Coloring GameMedium16.6%
TreeDepth-First SearchBinary Tree
1170. Compare Strings by Frequency of the Smallest CharacterMedium16.6%
ArrayHash TableStringBinary SearchSorting
1184. Distance Between Bus StopsEasy16.6%
Array
Design SkiplistHard16.6%
Linked ListDesign
Maximum Font to Fit a Sentence in a ScreenMedium16.6%
ArrayStringBinary SearchInteractive
1261. Find Elements in a Contaminated Binary TreeMedium16.6%
Hash TableTreeDepth-First SearchBreadth-First SearchDesignBinary Tree
2304. Minimum Path Cost in a GridMedium16.6%
ArrayDynamic ProgrammingMatrix
All People Report to the Given ManagerMedium16.6%
Database
1326. Minimum Number of Taps to Open to Water a GardenHard16.6%
ArrayDynamic ProgrammingGreedy
1424. Diagonal Traverse IIMedium16.6%
ArraySortingHeap (Priority Queue)
1452. People Whose List of Favorite Companies Is Not a Subset of Another ListMedium16.6%
ArrayHash TableString
1471. The k Strongest Values in an ArrayMedium16.6%
ArrayTwo PointersSorting
1472. Design Browser HistoryMedium16.6%
ArrayLinked ListStackDesignDoubly-Linked ListData Stream
1513. Number of Substrings With Only 1sMedium16.6%
MathString
1546. Maximum Number of Non-Overlapping Subarrays With Sum Equals TargetMedium16.6%
ArrayHash TableGreedyPrefix Sum
Move Sub-Tree of N-Ary TreeHard16.6%
TreeDepth-First Search
1552. Magnetic Force Between Two BallsMedium16.6%
ArrayBinary SearchSorting
Guess the Majority in a Hidden ArrayMedium16.6%
ArrayMathInteractiveBoyer–Moore Majority Vote Algorithm
1562. Find Latest Group of Size MMedium16.6%
ArrayHash TableBinary SearchSimulation
The Most Similar Path in a GraphHard16.6%
ArrayStringDynamic ProgrammingGraph Theory
Put Boxes Into the Warehouse IMedium16.6%
ArrayGreedySorting
1585. Check If String Is Transformable With Substring Sort OperationsHard16.6%
StringGreedySorting
Put Boxes Into the Warehouse IIMedium16.6%
ArrayGreedySorting
Find Nearest Right Node in Binary TreeMedium16.6%
TreeBreadth-First SearchBinary Tree
Check If Two Expression Trees are EquivalentMedium16.6%
Hash TableTreeDepth-First SearchBinary TreeCounting
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