More Problems

• Write a program to find the number of vowels in a queue of characters.
• Write a program to implement a queue for managing email messages.
• Write a program to count the number of elements greater than a specified value in a queue.
• Write a program to find the longest palindrome in a queue.
• Write a program to check if a queue is empty after a series of operations.
• Write a program to simulate a delivery service queue.
• Write a program to print the sum of all elements in a queue.
• Write a program to check if a queue can represent a valid postfix expression.