More Problems

• Create a function to check if a binary tree is a valid binary search tree.
• Find the longest sequence of nodes in a binary search tree that are increasing.
• Implement a function to find all nodes in a binary tree with a specific depth.
• Count the number of leaf nodes in a binary search tree.
• Find the maximum product of two nodes in a binary search tree.
• Check if two binary trees are identical using properties.
• Implement a function to find the sum of nodes at odd levels in a binary search tree.
• Find the total number of nodes in a binary tree using an iterative approach.