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241 LeetCode questions

Difficulty Distribution

Easy
19
8%
Medium
155
64%
Hard
67
28%

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Questions

TitleDifficulty
Perfect SquaresMedium
Number of IslandsMedium
Coin ChangeMedium
01 MatrixMedium
Divide Nodes Into the Maximum Number of GroupsHard
Binary Tree Zigzag Level Order TraversalMedium
Maximum Depth of Binary TreeEasy
Binary Tree Right Side ViewMedium
Minimum Jumps to Reach HomeMedium
Rotting OrangesMedium
Number of ProvincesMedium
Number of Increasing Paths in a GridHard
Binary Tree Level Order TraversalMedium
Longest Increasing Path in a MatrixHard
Shortest Path in a Grid with Obstacles EliminationHard
Unit Conversion IMedium
Nested List Weight SumMedium
Word LadderHard
Surrounded RegionsMedium
Course ScheduleMedium
Amount of Time for Binary Tree to Be InfectedMedium
Cousins in Binary TreeEasy
Shortest Path to Get All KeysHard
Pacific Atlantic Water FlowMedium
Max Area of IslandMedium
Find Diameter Endpoints of a TreeMedium
Maximum Candies You Can Get from BoxesHard
Detonate the Maximum BombsMedium
Accounts MergeMedium
Smallest Common RegionMedium
Sliding PuzzleHard
Alien DictionaryHard
Cheapest Flights Within K StopsMedium
Minimum Number of Flips to Convert Binary Matrix to Zero MatrixHard
Shortest Path in Binary MatrixMedium
Making A Large IslandHard
Number of Operations to Make Network ConnectedMedium
Network Delay TimeMedium
Open the LockMedium
Symmetric TreeEasy
Serialize and Deserialize Binary TreeHard
Same TreeEasy
Course Schedule IIMedium
All Nodes Distance K in Binary TreeMedium
Flood FillEasy
Vertical Order Traversal of a Binary TreeHard
Web CrawlerMedium
Maximum Width of Binary TreeMedium
Minimum Jumps to Reach End via Prime TeleportationMedium
Clone GraphMedium
Detect Cycles in 2D GridMedium
Evaluate DivisionMedium
Bus RoutesHard
Find if Path Exists in GraphEasy
Kth Largest Sum in a Binary TreeMedium
Jump Game IIIMedium
Minimum Height TreesMedium
Jump Game IVHard
Minimum Genetic MutationMedium
Minimum Depth of Binary TreeEasy
Maximum Level Sum of a Binary TreeMedium
Word Ladder IIHard
Find Eventual Safe StatesMedium
Two Sum IV - Input is a BSTEasy
All Paths From Source to TargetMedium
Redundant ConnectionMedium
Is Graph Bipartite?Medium
Invert Binary TreeEasy
Trapping Rain Water IIHard
Serialize and Deserialize BSTMedium
Minimum Absolute Difference in BSTEasy
Minimum Edge Reversals So Every Node Is ReachableHard
As Far from Land as PossibleMedium
Island PerimeterEasy
Possible BipartitionMedium
Binary Tree Level Order Traversal IIMedium
Count Good Nodes in Binary TreeMedium
Time Needed to Inform All EmployeesMedium
Populating Next Right Pointers in Each NodeMedium
Minimum Fuel Cost to Report to the CapitalMedium
Path SumEasy
Walls and GatesMedium
K-Similar StringsHard
Remove Invalid ParenthesesHard
Average of Levels in Binary TreeEasy
Snakes and LaddersMedium
Number of Connected Components in an Undirected GraphMedium
Number of Distinct IslandsMedium
Keys and RoomsMedium
Binary Tree Vertical Order TraversalMedium
Serialize and Deserialize N-ary TreeHard
Swim in Rising WaterHard
Reorder Routes to Make All Paths Lead to the City ZeroMedium
Shortest BridgeMedium
Path With Minimum EffortMedium
Count Servers that CommunicateMedium
Course Schedule IVMedium
Merge Two Binary TreesEasy
Nearest Exit from Entrance in MazeMedium
Populating Next Right Pointers in Each Node IIMedium

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