More Problems

• Write a program to count the number of odd internal nodes in a binary search tree.
• Implement a function to find the sum of all even nodes in a binary tree.
• Write a program to check if a binary tree is symmetric based on properties.
• Implement a function to find all root-to-leaf paths in a binary search tree.
• Write a program to check if a binary tree has a specific depth based on properties.
• Implement a function to find the maximum depth of a binary tree using recursion.
• Write a program to check if a binary tree is a valid binary search tree based on node heights.
• Implement a function to find all leaf nodes in a binary tree using a stack.