More Problems

• Write a program to check if a number can be expressed as a sum of two squares.
• Implement a function to compute the longest palindromic substring in a string.
• Create a program to check if two strings are anagrams.
• Write a program to compute the sum of the digits of a number until it is a single digit.
• Implement a function to find the GCD of three numbers.
• Create a program to find the total number of unique characters in a string.
• Write a program to check if a number is a Fibonacci number.
• Implement a function to find the sum of cubes of the first n natural numbers.