More Problems

• Create a function to check if a binary tree is a valid binary search tree based on properties.
• Find the longest path in a binary tree that sums to a specific value.
• Implement a function to find the level of a given node in a binary tree.
• Write a program to find the least common ancestor (LCA) of two nodes in a binary tree using recursion.
• Create a function to check if a binary tree is height-balanced.
• Implement a function to calculate the total number of leaf nodes in a binary search tree.
• Find the first node in a binary tree that has a specific value.
• Write a program to find the sum of all nodes in a binary search tree that are greater than a specific value.