More Problems

• Check if a binary search tree can be converted to a binary tree with the same nodes.
• Find the longest path in a binary search tree from root to leaf.
• Implement a function to count the number of paths in a binary tree that satisfy a specific condition.
• Find the sum of all nodes with even values in a binary tree.
• Create a function to find the height of a binary tree using a stack.
• Implement a function to find the minimum depth of a binary tree using recursion.
• Find the maximum depth of a binary tree using BFS.
• Check if a binary search tree is valid based on properties.