More Problems

• Implement a function to find the node with the minimum depth in a binary tree.
• Write a program to find the level of a node based on its value in a binary tree.
• Implement a function to find the number of paths that start from the root and have a sum equal to a target.
• Write a program to find the number of nodes in a full binary tree.
• Implement a function to find the first leaf node in a binary tree.
• Write a program to find all non-leaf nodes in a binary tree.
• Implement a function to check if a binary tree is a binary search tree using in-order traversal.
• Write a program to count the number of non-leaf nodes in a binary tree.