More Problems

• Write a program to implement a queue for managing customer feedback.
• Write a program to find the first repeated element in a queue.
• Write a program to simulate a bank queue.
• Write a program to implement a queue for managing online transactions.
• Write a program to find the maximum frequency of elements in a queue.
• Write a program to implement a queue that supports concurrent access.
• Write a program to find the sum of the squares of elements in a queue.
• Write a program to check if a queue can represent a valid infix expression.