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Amazon
Binary Tree
Binary Tree
0/80 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
All Nodes Distance K in Binary Tree
MEDIUM
Path Sum III
MEDIUM
Convert Sorted Array to Binary Search Tree
EASY
Binary Tree Zigzag Level Order Traversal
MEDIUM
Balanced Binary Tree
EASY
Unique Binary Search Trees
MEDIUM
Serialize and Deserialize Binary Tree
HARD
Path Sum
EASY
Populating Next Right Pointers in Each Node
MEDIUM
Merge Two Binary Trees
EASY
Binary Search Tree Iterator
MEDIUM
House Robber III
MEDIUM
Subtree of Another Tree
EASY
Binary Tree Preorder Traversal
EASY
Path Sum II
MEDIUM
Recover Binary Search Tree
MEDIUM
Vertical Order Traversal of a Binary Tree
HARD
Unique Binary Search Trees II
MEDIUM
Minimum Depth of Binary Tree
EASY
Binary Tree Postorder Traversal
EASY
Construct Binary Search Tree from Preorder Traversal
MEDIUM
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
Find Duplicate Subtrees
MEDIUM
Distribute Coins in Binary Tree
MEDIUM
Convert BST to Greater Tree
MEDIUM
All Possible Full Binary Trees
MEDIUM
Delete Nodes And Return Forest
MEDIUM
Binary Tree Pruning
MEDIUM
Increasing Order Search Tree
EASY
Leaf-Similar Trees
EASY
Cousins in Binary Tree
EASY
Maximum Level Sum of a Binary Tree
MEDIUM
Minimum Distance Between BST Nodes
EASY
Serialize and Deserialize BST
MEDIUM
Sum of Root To Leaf Binary Numbers
EASY
Binary Tree Vertical Order Traversal
MEDIUM
Pseudo-Palindromic Paths in a Binary Tree
MEDIUM
Find Leaves of Binary Tree
MEDIUM
All Elements in Two Binary Search Trees
MEDIUM
Maximum Product of Splitted Binary Tree
MEDIUM
Linked List in Binary Tree
MEDIUM
Delete Leaves With a Given Value
MEDIUM
Construct Binary Tree from Preorder and Postorder Traversal
MEDIUM
Sum of Nodes with Even-Valued Grandparent
MEDIUM
Maximum Sum BST in Binary Tree
HARD
Convert Binary Search Tree to Sorted Doubly Linked List
MEDIUM
Inorder Successor in BST
MEDIUM
Most Frequent Subtree Sum
MEDIUM
Closest Binary Search Tree Value
EASY
Recover a Tree From Preorder Traversal
HARD
Path In Zigzag Labelled Binary Tree
MEDIUM
Lowest Common Ancestor of a Binary Tree III
MEDIUM
Boundary of Binary Tree
MEDIUM
Maximum Average Subtree
MEDIUM
Insufficient Nodes in Root to Leaf Paths
MEDIUM
Two Sum BSTs
MEDIUM
Design an Expression Tree With Evaluate Function
MEDIUM
Equal Tree Partition
MEDIUM
Lowest Common Ancestor of a Binary Tree IV
MEDIUM
Find Distance in a Binary Tree
MEDIUM
Build Binary Expression Tree From Infix Expression
HARD
Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree
MEDIUM