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Microsoft
Depth First Search
Depth First Search
0/56 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
Invert Binary Tree
EASY
Diameter of Binary Tree
EASY
Binary Tree Inorder Traversal
EASY
Maximum Depth of Binary Tree
EASY
Flatten Binary Tree to Linked List
MEDIUM
Binary Tree Right Side View
MEDIUM
Same Tree
EASY
Kth Smallest Element in a BST
MEDIUM
Lowest Common Ancestor of a Binary Search Tree
MEDIUM
Course Schedule II
MEDIUM
Serialize and Deserialize Binary Tree
HARD
Max Area of Island
MEDIUM
Path Sum
EASY
Populating Next Right Pointers in Each Node
MEDIUM
Clone Graph
MEDIUM
Evaluate Division
MEDIUM
Maximum Width of Binary Tree
MEDIUM
Flood Fill
EASY
Subtree of Another Tree
EASY
Path Sum II
MEDIUM
Recover Binary Search Tree
MEDIUM
Vertical Order Traversal of a Binary Tree
HARD
Accounts Merge
MEDIUM
Two Sum IV - Input is a BST
EASY
Reconstruct Itinerary
HARD
Count Good Nodes in Binary Tree
MEDIUM
Populating Next Right Pointers in Each Node II
MEDIUM
Binary Tree Cameras
HARD
Alien Dictionary
HARD
Reorder Routes to Make All Paths Lead to the City Zero
MEDIUM
Jump Game III
MEDIUM
Serialize and Deserialize BST
MEDIUM
Graph Valid Tree
MEDIUM
Flip Equivalent Binary Trees
MEDIUM
Number of Connected Components in an Undirected Graph
MEDIUM
Convert Binary Search Tree to Sorted Doubly Linked List
MEDIUM
Inorder Successor in BST
MEDIUM
Battleships in a Board
MEDIUM
Number of Distinct Islands
MEDIUM
Employee Importance
MEDIUM
Design Search Autocomplete System
HARD
Second Minimum Node In a Binary Tree
EASY
The Maze
MEDIUM
Boundary of Binary Tree
MEDIUM
Serialize and Deserialize N-ary Tree
HARD
Lowest Common Ancestor of a Binary Tree II
MEDIUM
Diameter of N-Ary Tree
MEDIUM
Find All The Lonely Nodes
EASY
Delete Tree Nodes
MEDIUM
Bulb Switcher II
MEDIUM