More Problems

• Write a program to calculate the sum of the first n odd numbers using recursion.
• Implement a function to find the longest palindromic substring in a string.
• Create a program to compute the average of even numbers in a list.
• Write a program to check if a number is a prime palindrome.
• Implement a function to calculate the maximum sum of non-contiguous subarrays.
• Create a program to find the area of a triangle given its height and base.
• Write a program to find the GCD of two numbers using prime factorization.
• Implement a function to determine if a string is a valid URL.