More Problems

• Write a program to find the total number of vowels in a text file.
• Write a program to implement a simple inventory management system with stock tracking.
• Write a program to check if a string is a valid credit card number.
• Write a program to find the sum of the first n perfect squares.
• Write a program to implement a basic to-do list with task completion tracking.
• Write a program to check if a string is a valid palindrome using recursion.
• Write a program to find the first unique character in a string using a hash map.
• Write a program to implement a basic game of Chess.