More Problems

• Find the second minimum value in a binary tree.
• Check if a binary tree is a complete binary tree.
• Find the maximum width of a binary tree.
• Count the number of nodes at a specific level in a binary tree.
• Find the path from root to leaf with the maximum product in a binary tree.
• Find the longest consecutive sequence in a binary tree.
• Find all duplicate subtrees in a binary tree.
• Determine the level of a node in a binary tree.