More Problems

• Find the path length between two nodes in a binary tree.
• Find the sum of all nodes in a binary tree using recursion.
• Find the second largest element in a binary search tree.
• Find the maximum leaf-to-leaf path sum in a binary tree.
• Implement a function to serialize and deserialize a binary tree.
• Find the minimum value node in a binary search tree.
• Find the maximum value node in a binary search tree.
• Count the number of internal nodes in a binary search tree.