More Problems

• Find the minimum path sum in a binary tree.
• Find the maximum leaf node in a binary search tree.
• Count the number of odd nodes in a binary search tree.
• Count the number of even nodes in a binary search tree.
• Find the deepest node in a binary tree.
• Calculate the sum of all nodes at a specific depth in a binary tree.
• Find the total number of internal nodes in a binary search tree.
• Check if a binary tree is a valid max heap.