More Problems

• Write a function to find the shortest path using DFS.
• Implement a program to reverse the edges of a graph.
• Write a program to print the degree of each vertex.
• Implement an algorithm to flatten a binary tree.
• Write a function to perform a level-order traversal of a binary tree.
• Implement an algorithm to find the longest path in a binary tree.
• Write a program to check if two graphs are equal.
• Implement a function to serialize and deserialize a binary tree.