More Problems

• Write a program to find the maximum difference between two elements in an array.
• Write a program to check if a string is a valid email address using basic regex.
• Write a program to find the longest common prefix among an array of strings.
• Write a program to implement a basic currency exchange application.
• Write a program to calculate the volume of a sphere given its radius.
• Write a program to check if a number is within a specific range.
• Write a program to implement a simple recipe converter.
• Write a program to find the nth number in the Fibonacci sequence using memoization.