More Problems

• Write a program to check if a string is a valid base64 encoded string.
• Write a program to find the longest word in a file.
• Write a program to convert centimeters to inches.
• Write a program to check if a number is a Fibonacci number using iteration.
• Write a program to find the number of letters in a string.
• Write a program to implement a basic employee management system.
• Write a program to calculate the product of two matrices.
• Write a program to check if a number is a triangular number.