More Problems

• Write a program to implement a simple online bookstore with inventory management.
• Write a program to check if a binary tree is a valid AVL tree.
• Write a program to find the longest palindromic substring using the expanding window technique.
• Write a program to implement a simple online ticket booking system with seat selection.
• Write a program to check if a string is a valid hex number.
• Write a program to find the longest common suffix between two strings.
• Write a program to implement a basic online quiz application with score tracking.
• Write a program to check if a number can be expressed as a sum of two odd primes.