More Problems

• Write a program to implement a queue for managing online orders.
• Write a program to print the elements of a queue that are multiples of three.
• Write a program to find the first unique number in a queue after operations.
• Write a program to check if a queue can be rearranged to form a palindrome.
• Write a program to find the sum of all elements in a queue after several operations.
• Write a program to implement a queue for managing waitlisted customers.
• Write a program to find the largest element in a queue using O(n) time.
• Write a program to check if a queue is valid based on enqueue and dequeue operations.