More Problems

• Write a program to check if a number is a prime number using the Sieve of Eratosthenes.
• Write a program to find the longest sequence of consecutive integers in an array.
• Write a program to check if a string is a valid credit card number using Luhns algorithm.
• Write a program to implement a simple shopping cart system with user authentication.
• Write a program to check if a number is a palindromic number using a function.
• Write a program to calculate the area of a triangle given its base and height.
• Write a program to implement a basic online course management system.
• Write a program to check if a number is a perfect number by calculating the sum of its divisors.