More Problems

• 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.
• Find the maximum depth of a specific subtree in a binary tree.
• Find all nodes at distance k from a given node in a binary tree.
• Find the first leaf node in a binary tree.
• Check if two binary trees are isomorphic.
• Find the sum of all leaf nodes in a binary search tree.