More Problems

• Write a program to check if two strings are equal ignoring case and punctuation.
• Write a program to find the longest substring without repeating characters using a sliding window.
• Write a program to implement a simple online reservation system for events.
• Write a program to check if a number is a happy number using a set.
• Write a program to find the maximum product of any two numbers in an array.
• Write a program to check if a string contains valid XML tags using a stack.
• Write a program to implement a simple note-taking application that saves to a file.
• Write a program to check if a number is a Smith number using its prime factors.