More Problems

• 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.
• Write a program to find all simple paths in a graph.
• Find the shortest path from a given source to all other nodes in a graph using Dijkstras algorithm.
• Write a program to determine if a graph has a cycle using DFS.
• Implement a program to check for self-loops in a directed graph.