Topic: queue-problem / Level: intermediate

• 1001. Implement a priority queue using a binary heap.
• 1002. Write a program to sort a queue.
• 1003. Write a program to implement a queue using two stacks.
• 1004. Write a program to generate binary numbers from 1 to n using a queue.
• 1005. Write a program to find the maximum element in a queue.
• 1006. Write a program to check if a queue is a palindrome.
• 1007. Implement a function to find the first non-repeating character in a stream of characters.
• 1008. Write a program to reverse the first k elements of a queue.
• 1009. Write a program to delete the middle element of a queue.
• 1010. Write a program to implement a double-ended queue (deque).
• 1011. Write a program to merge two sorted queues.
• 1012. Write a program to find the k largest elements in a queue.
• 1013. Write a program to find the length of the longest subsequence in a queue.
• 1014. Write a program to determine the number of elements that are greater than a specific value in a queue.
• 1015. Write a program to find the longest increasing subsequence in a queue.
• 1016. Write a program to implement a queue using a linked list.
• 1017. Write a program to simulate a call center using multiple queues.
• 1018. Write a program to check if two queues are equal.
• 1019. Write a program to find the maximum sum of n consecutive elements in a queue.
• 1020. Write a program to implement a queue for a basic text editor.
• 1021. Write a program to find the minimum number of platforms needed at a railway station given arrival and departure times.
• 1022. Write a program to simulate a queue for managing requests in a web server.
• 1023. Write a program to implement a circular queue.
• 1024. Write a program to check if a queue is a valid sequence of operations.
• 1025. Write a program to implement a queue using linked list nodes.
• 1026. Write a program to find the longest sequence of repeating elements in a queue.
• 1027. Write a program to find the maximum product of any two numbers in a queue.
• 1028. Write a program to implement a queue that allows duplicate elements.
• 1029. Write a program to find the median of a stream of numbers using two queues.
• 1030. Write a program to find the longest common subsequence of two queues.
• 1031. Write a program to implement a queue that retrieves the maximum element in O(1).
• 1032. Write a program to find the first unique character in a queue.
• 1033. Write a program to implement a queue that supports multiple data types.
• 1034. Write a program to calculate the sum of the first n natural numbers using a queue.
• 1035. Write a program to simulate a simple restaurant queue.
• 1036. Write a program to implement a queue that can be dynamically resized.
• 1037. Write a program to find the number of elements less than a specific value in a queue.
• 1038. Write a program to determine if a queue can be represented as a binary tree.
• 1039. Write a program to implement a task scheduler using a queue.
• 1040. Write a program to check if a queue can be rearranged to form a palindrome.
• 1041. Write a program to implement a queue for managing event participation.
• 1042. Write a program to find the longest sequence of even numbers in a queue.
• 1043. Write a program to implement a queue for managing online game sessions.
• 1044. Write a program to merge two queues into one while maintaining order.
• 1045. Write a program to find the average of numbers in a queue after removing duplicates.
• 1046. Write a program to check if two queues are anagrams of each other.
• 1047. Write a program to implement a queue for managing customer feedback.
• 1048. Write a program to find the first repeated element in a queue.
• 1049. Write a program to simulate a bank queue.
• 1050. Write a program to implement a queue for managing online transactions.

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