More Problems

• Write a program to implement a simple console-based file manager.
• Write a program to check if a string contains balanced parentheses of different types.
• Write a program to find the total number of words in a string using a function.
• Write a program to implement a basic recipe management application with ingredient tracking.
• Write a program to check if a number is a perfect square using a function.
• Write a program to find the first duplicate number in an array.
• Write a program to implement a simple online exam system with multiple-choice questions.
• Write a program to check if a string is a valid base64 encoded string using regex.