More Problems

• Implement a function to calculate the factorial of a number using memoization.
• Create a program to determine if a number is a Kaprekar number.
• Write a program to find the mode of a given set of numbers.
• Implement a function to calculate the sum of two fractions and return the result in simplest form.
• Create a program to find the number of leap years in a given range.
• Write a program to determine if a number is a prime palindrome.
• Implement a function to find the nth perfect number.
• Create a program to calculate the sum of two complex numbers.