More Problems

• Create a program to compute the number of unique characters in a string.
• Write a program to find the maximum and minimum values in a 2D matrix.
• Implement a function to calculate the sum of the digits of a number.
• Create a program to determine if a number is a Narcissistic number.
• Write a program to find the sum of the first n squares of odd numbers.
• Implement a function to calculate the number of digits in a number.
• Create a program to find the greatest common divisor of an array of numbers.
• Write a program to check if a number is a perfect number using its divisors.