More Problems

• Implement a function to find all duplicate subtrees in a binary tree.
• Write a program to find the first leaf node in a binary tree.
• Implement a function to find all internal nodes in a binary search tree.
• Write a program to check if a binary search tree has a specific path sum.
• Implement a function to print the nodes of a binary tree in level order.
• Write a program to check if a binary tree is a subtree of another binary tree.
• Implement a function to find the maximum value of nodes at a given level in a binary tree.
• Write a program to print the leaf nodes of a binary search tree.