More Problems

• Write a program to check if a number is a perfect number.
• Write a program to find the first duplicate element in an array.
• Write a program to implement a basic countdown timer.
• Write a program to check if a string is a valid palindrome.
• Write a program to find the number of times a specific character appears in a string.
• Write a program to implement a simple text-based game.
• Write a program to convert seconds to hours and minutes.
• Write a program to check if a number is a narcissistic number.