More Problems

• Write a program to check if a given string is a valid base64 encoded string.
• Write a program to calculate the sum of all even Fibonacci numbers up to n.
• Write a program to implement a simple budget tracker application.
• Write a program to find the maximum sum of a non-contiguous subarray using dynamic programming.
• Write a program to check if a number is an odd composite number.
• Write a program to implement a simple contact organizer.
• Write a program to find the sum of prime numbers less than a given number.
• Write a program to check if a string has balanced square brackets.