More Problems

• Write a program to check if a binary tree is a valid binary search tree based on properties.
• Implement a function to count the number of paths that sum to a target value.
• Write a program to check if the path sum of a binary tree equals a target value.
• Implement a function to find the minimum leaf to root path sum in a binary tree.
• Write a program to find the maximum leaf to root path sum in a binary tree.
• Implement a function to find the largest number in a specific level of a binary tree.
• Write a program to check if a binary tree is a path length tree.
• Implement a function to count the number of unique values in a binary tree.