More Problems

• Find the total number of nodes in a binary tree using an iterative approach.
• Check if a binary tree can be represented as a path sum tree.
• Implement a function to count the number of paths in a binary tree that satisfy a specific condition.
• Find the maximum width of a binary tree.
• Create a function to find the longest path in a binary tree that starts from any node.
• Implement a function to find all root-to-leaf paths in a binary search tree that satisfy a specific sum.
• Find the number of internal nodes in a binary tree.
• Check if a binary search tree can be represented as a valid max heap.