More Problems

• Write a program to find the sum of the first n even numbers.
• Implement a function to calculate the average of an array of integers.
• Create a program to determine if a number is a strong composite number.
• Write a program to find the number of unique characters in a string.
• Implement a function to check if two strings are anagrams.
• Create a program to compute the sum of the first n prime numbers using the Sieve of Eratosthenes.
• Write a program to find the number of perfect squares less than a given number.
• Implement a function to find the GCD of two numbers using recursion.