More Problems

• Write a program to find the longest contiguous subsequence of characters in a queue.
• Write a program to implement a queue for managing food deliveries in a restaurant.
• Write a program to check if a queue is valid based on its operations.
• Write a program to find the smallest number in a queue after several operations.
• Write a program to implement a queue for managing online orders.
• Write a program to find the maximum frequency of characters in a queue after multiple operations.
• Write a program to check if a queue can represent a valid sequence of stack operations.
• Write a program to find the sum of elements in a queue after removing negative numbers.