More Problems

• Write a program to find the number of unique characters in a queue.
• Write a program to determine the frequency of the minimum element in a queue.
• Write a program to implement a basic file processing queue.
• Write a program to simulate a customer support queue.
• Write a program to find the sum of all odd numbers in a queue.
• Write a program to check if a queue can be a valid prefix expression.
• Write a program to implement a queue for managing messages in a chat application.
• Write a program to find the first unique integer in a queue.