More Problems

• Write a program to check if a number is a Fibonacci number.
• Implement a function to find the GCD of three numbers.
• Create a program to calculate the sum of all even numbers in an array.
• Write a program to determine if a number is a perfect cube.
• Implement a function to find the maximum sum of a contiguous subarray of size k.
• Create a program to compute the area of a triangle using base and height.
• Write a program to check if two numbers are coprime.
• Implement a function to find the total number of unique characters in a string.