More Problems

• Write a program to determine the sum of the first n natural numbers.
• Implement a function to calculate the average of an array of floats.
• Create a program to find the minimum number of coins needed for change.
• Write a program to check if a number is a perfect number.
• Implement a function to calculate the area of a triangle given its base and height.
• Create a program to find the sum of the first n odd numbers.
• Write a program to check if a number is a Fibonacci number.
• Implement a function to calculate the perimeter of a rectangle.