More Problems

• Write a program to implement a simple online bookstore with user reviews.
• Write a program to check if a string contains all the letters of the alphabet (pangram).
• Write a program to find the total number of unique elements in an array.
• Write a program to implement a basic event scheduling application.
• Write a program to check if two numbers are coprime using the GCD.
• Write a program to find the first duplicate character in a string using a function.
• Write a program to implement a basic online job application system.
• Write a program to check if a number can be expressed as the sum of two squares.