More Problems

• Write a program to determine the level of a node in a binary tree.
• Implement a function to check if a binary tree is a valid max heap.
• Write a program to find the sum of all nodes in a binary tree using recursion.
• Implement a function to calculate the product of all nodes in a binary tree.
• Write a program to find the second smallest element in a binary search tree.
• Implement a function to check if a binary tree is a binary search tree based on in-order traversal.
• Write a program to find the height of a binary tree iteratively.
• Implement a function to find the sum of all nodes at odd levels in a binary tree.