More Problems

• Write a program to check if a binary tree is balanced using height comparison.
• Write a program to find the longest path in a binary tree.
• Write a program to implement the A* algorithm for pathfinding in a grid.
• Write a program to check if a string is a valid palindrome considering punctuation.
• Write a program to find the longest common suffix between two strings.
• Write a program to implement a basic online shopping application with user authentication.
• Write a program to check if a number is a strong prime using its factors.
• Write a program to find the first non-repeating character in a string using a function.