More Problems

• Write a program to find the longest palindrome that can be formed from a given string.
• Write a program to implement the LRU (Least Recently Used) cache mechanism.
• Write a program to check if two binary trees are isomorphic.
• Write a program to find the longest path in a grid with obstacles using dynamic programming.
• Write a program to implement a simple text-based role-playing game (RPG) with quests and combat.
• Write a program to check if a number is a happy number using a cycle detection algorithm.
• Write a program to find the shortest path between two nodes in a graph using the Floyd-Warshall algorithm.
• Write a program to implement a simple online shopping cart with checkout functionality.