More Problems

• Determine if a binary tree is a perfect binary tree.
• Find all root-to-leaf paths in a binary tree.
• Find the maximum path sum in a binary tree.
• Convert a binary tree into its mirror image.
• Find the distance between two nodes in a binary tree.
• Find the sum of all even-level nodes in a binary tree.
• Find the sum of all odd-level nodes in a binary tree.
• Count the number of subtrees in a binary tree.