Topic: queue-problem / Level: beginner

• 901. Write a program to implement a queue that allows retrieving the minimum element.
• 902. Write a program to find the maximum element in a queue after various operations.
• 903. Write a program to check if two queues can represent a valid sequence of operations.
• 904. Write a program to implement a queue for managing library book loans.
• 905. Write a program to find the total number of elements in a queue after several operations.
• 906. Write a program to simulate a ticket line at a concert using a queue.
• 907. Write a program to find the longest contiguous subsequence of odd integers in a queue.
• 908. Write a program to check if a queue is valid based on enqueue and dequeue operations.
• 909. Write a program to implement a queue for managing appointment schedules.
• 910. Write a program to find the average of elements in a queue after removing even numbers.
• 911. Write a program to implement a queue for managing customer requests.
• 912. Write a program to find the sum of elements in a queue after removing duplicates.
• 913. Write a program to check if a queue can represent a valid infix expression after operations.
• 914. Write a program to implement a circular queue that allows dynamic resizing.
• 915. Write a program to find the smallest number in a queue after several operations.
• 916. Write a program to implement a queue for managing project tasks.
• 917. Write a program to find the maximum frequency of characters in a queue after operations.
• 918. Write a program to check if two queues can represent a valid binary search tree.
• 919. Write a program to find the longest subsequence of even integers in a queue.
• 920. Write a program to simulate a customer service queue for complaints.
• 921. Write a program to find the total number of items in a queue after various operations.
• 922. Write a program to check if a queue can represent a valid sequence of operations.
• 923. Write a program to implement a queue for managing job applications.
• 924. Write a program to find the average of numbers in a queue after removing duplicates.
• 925. Write a program to implement a queue for managing online messages.
• 926. Write a program to find the first unique character in a queue after several operations.
• 927. Write a program to check if two queues can represent a valid sequence of numbers.
• 928. Write a program to simulate a delivery queue for food services.
• 929. Write a program to find the longest contiguous subsequence of prime numbers in a queue.
• 930. Write a program to implement a queue for managing student assignments.
• 931. Write a program to find the total number of distinct elements in a queue after various operations.
• 932. Write a program to check if a queue can represent a valid binary tree after operations.
• 933. Write a program to implement a queue for managing event registrations.
• 934. Write a program to find the sum of elements in a queue after removing negative numbers.
• 935. Write a program to check if a queue is balanced based on enqueue and dequeue operations.
• 936. Write a program to implement a queue for managing feedback from customers.
• 937. Write a program to find the first non-repeating integer in a queue after multiple operations.
• 938. Write a program to check if two queues can represent a valid sequence of operations.
• 939. Write a program to implement a circular queue using a linked list.
• 940. Write a program to find the longest subsequence of characters in a queue.
• 941. Write a program to simulate a call center queue for customer service representatives.
• 942. Write a program to find the average of elements in a queue after removing odd numbers.
• 943. Write a program to implement a queue for managing online orders.
• 944. Write a program to check if a queue can represent a valid sequence of operations.
• 945. Write a program to implement a queue for managing daily tasks.
• 946. Write a program to find the maximum element in a queue using O(n) time complexity.
• 947. Write a program to check if two queues can represent a valid sequence of operations.
• 948. Write a program to implement a queue for managing incoming support requests.
• 949. Write a program to find the smallest number in a queue after several operations.
• 950. Write a program to simulate a print job queue for a printer with priorities.

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• Intermediate
• Advanced