More Problems

• Create a program to calculate the sum of squares of the first n natural numbers.
• Write a program to determine the number of combinations of n items taken k at a time using factorial.
• Implement a function to find the maximum product of two numbers in an array.
• Create a program to check if a number is a Kaprekar number.
• 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.