More Problems

• Write a program to check if a string is a valid IP address.
• Write a program to find the largest prime factor of a given number.
• Write a program to implement a simple online dictionary application.
• Write a program to check if a string contains a valid JSON format.
• Write a program to find the longest common substring between two strings.
• Write a program to implement a basic spell checker using a dictionary.
• Write a program to check if two strings can be made equal by rearranging their characters.
• Write a program to find the nth Fibonacci number using memoization.