More Problems

• Write a program to find the number of unique characters in a string.
• Implement a function to check if two strings are anagrams.
• Create a program to compute the sum of the first n prime numbers using the Sieve of Eratosthenes.
• Write a program to find the number of perfect squares less than a given number.
• Implement a function to find the GCD of two numbers using recursion.
• Create a program to calculate the product of all elements in a list.
• Write a program to check if a number is a strong prime.
• Implement a function to find the longest palindromic substring in a string.