More Problems

• Write a program to check if two binary trees are structurally identical.
• Write a program to find the longest palindromic prefix in a string.
• Write a program to implement a basic user management system for a web application.
• Write a program to check if a number is a happy number using the Floyds cycle detection algorithm.
• Write a program to find the longest path in a grid using dynamic programming.
• Write a program to implement a simple online file sharing system.
• Write a program to check if a string contains valid XML tags using a stack.
• Write a program to find the longest increasing subsequence using patience sorting.