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Microsoft
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0/54 solved
Validate Binary Search Tree
MEDIUM
Binary Tree Maximum Path Sum
HARD
Lowest Common Ancestor of a Binary Tree
MEDIUM
Binary Tree Level Order Traversal
MEDIUM
Symmetric Tree
EASY
Construct Binary Tree from Preorder and Inorder Traversal
MEDIUM
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
Convert Sorted Array to Binary Search Tree
EASY
Binary Tree Zigzag Level Order Traversal
MEDIUM
Unique Binary Search Trees
MEDIUM
Serialize and Deserialize Binary Tree
HARD
Path Sum
EASY
Populating Next Right Pointers in Each Node
MEDIUM
Maximum Width of Binary Tree
MEDIUM
Count Complete Tree Nodes
EASY
Binary Search Tree Iterator
MEDIUM
Subtree of Another Tree
EASY
Construct Binary Tree from Inorder and Postorder Traversal
MEDIUM
Path Sum II
MEDIUM
Recover Binary Search Tree
MEDIUM
Vertical Order Traversal of a Binary Tree
HARD
Unique Binary Search Trees II
MEDIUM
Convert Sorted List to Binary Search Tree
MEDIUM
Two Sum IV - Input is a BST
EASY
Insert into a Binary Search Tree
MEDIUM
Count Good Nodes in Binary Tree
MEDIUM
Kth Largest Element in a Stream
EASY
Populating Next Right Pointers in Each Node II
MEDIUM
Binary Tree Cameras
HARD
Binary Tree Level Order Traversal II
MEDIUM
Serialize and Deserialize BST
MEDIUM
Flip Equivalent Binary Trees
MEDIUM
Convert Binary Search Tree to Sorted Doubly Linked List
MEDIUM
Inorder Successor in BST
MEDIUM
Employee Importance
MEDIUM
Second Minimum Node In a Binary Tree
EASY
Path In Zigzag Labelled Binary Tree
MEDIUM
Lowest Common Ancestor of a Binary Tree III
MEDIUM
Boundary of Binary Tree
MEDIUM
Complete Binary Tree Inserter
MEDIUM
Serialize and Deserialize N-ary Tree
HARD
Inorder Successor in BST II
MEDIUM
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