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Companies
Bloomberg
Depth First Search
Depth First Search
0/43 solved
Number of Islands
MEDIUM
Validate Binary Search Tree
MEDIUM
Binary Tree Maximum Path Sum
HARD
Lowest Common Ancestor of a Binary Tree
MEDIUM
Course Schedule
MEDIUM
Symmetric Tree
EASY
Diameter of Binary Tree
EASY
Binary Tree Inorder Traversal
EASY
Maximum Depth of Binary Tree
EASY
Binary Tree Right Side View
MEDIUM
Same Tree
EASY
Serialize and Deserialize Binary Tree
HARD
Max Area of Island
MEDIUM
Populating Next Right Pointers in Each Node
MEDIUM
Clone Graph
MEDIUM
Evaluate Division
MEDIUM
Longest Increasing Path in a Matrix
HARD
Maximum Width of Binary Tree
MEDIUM
Recover Binary Search Tree
MEDIUM
Vertical Order Traversal of a Binary Tree
HARD
All Paths From Source to Target
MEDIUM
Binary Tree Paths
EASY
Reconstruct Itinerary
HARD
Populating Next Right Pointers in Each Node II
MEDIUM
Shortest Bridge
MEDIUM
Binary Tree Cameras
HARD
Flatten a Multilevel Doubly Linked List
MEDIUM
Flatten Nested List Iterator
MEDIUM
Longest Univalue Path
MEDIUM
Cousins in Binary Tree
EASY
Find Bottom Left Tree Value
MEDIUM
Binary Tree Vertical Order Traversal
MEDIUM
Sum of Nodes with Even-Valued Grandparent
MEDIUM
Number of Distinct Islands
MEDIUM
The Maze
MEDIUM
Closest Binary Search Tree Value
EASY
Largest BST Subtree
MEDIUM
Binary Tree Coloring Game
MEDIUM
Kill Process
MEDIUM
Flip Binary Tree To Match Preorder Traversal
MEDIUM
Clone Binary Tree With Random Pointer
MEDIUM
Maximum Number of Accepted Invitations
MEDIUM
Construct String from Binary Tree
MEDIUM