Topic: queue-problem / Level: advanced

• 2101. Write a program to implement a function that reverses the first k elements of a queue.
• 2102. Write a program to find the longest substring with at most two distinct characters using a queue.
• 2103. Implement a queue that allows for modifying elements at specific indices.
• 2104. Write a program to simulate a task manager using a queue.
• 2105. Implement a function that merges k sorted queues into one sorted queue.
• 2106. Write a program to find the maximum sum of any contiguous subarray using a queue.
• 2107. Implement a queue for managing customer support tickets with priorities.
• 2108. Write a program to check if two queues can represent the same sequence of operations.
• 2109. Write a program to find the first non-repeating character in a queue of characters.
• 2110. Implement a function that uses a queue to generate all subsets of a set.
• 2111. Write a program to find the longest common prefix of strings in a queue.
• 2112. Implement a queue for managing patient appointments in a hospital.
• 2113. Write a program to simulate a bank queue with customers arriving and being served.
• 2114. Implement a function that calculates the minimum distance between two elements in a queue.
• 2115. Write a program to check if a queue can be represented as a valid sequence of stack operations.
• 2116. Implement a queue for managing sales orders in an e-commerce system.
• 2117. Write a program to find the shortest path in a grid with obstacles using BFS and a queue.
• 2118. Implement a queue that can be dynamically resized.
• 2119. Write a program to track the last k elements added to a queue.
• 2120. Implement a priority queue for scheduling CPU processes based on burst time.
• 2121. Write a program to find the longest contiguous subarray that meets a certain condition using a queue.
• 2122. Implement a function that simulates a multi-threaded environment using a queue.
• 2123. Write a program to evaluate a prefix expression using a queue.
• 2124. Implement a function to rotate a queue by n elements to the right.
• 2125. Write a program to find the longest sequence of valid parentheses using a queue.
• 2126. Implement a queue for managing user sessions in a web application.
• 2127. Write a program to check if a queue can represent a valid sequence of binary tree traversals.
• 2128. Implement a circular queue for managing tasks in a project with deadlines.
• 2129. Write a program to find the first unique integer in a stream of numbers using a queue.
• 2130. Implement a queue that supports batch processing of elements.
• 2131. Write a program to determine the maximum size of a subarray with at most k distinct elements using a queue.
• 2132. Implement a function that checks if a queue can be rearranged to match another queues order.
• 2133. Write a program to find the longest substring without repeating characters using a queue.
• 2134. Implement a queue that supports multiple priorities for task management.
• 2135. Write a program to check if a sequence of numbers can represent a valid queue sequence.
• 2136. Implement a function that generates all combinations of k elements from a set using a queue.
• 2137. Write a program to find the maximum product of any two elements in a queue.
• 2138. Implement a function that performs a level-order traversal of a binary tree using a queue.
• 2139. Write a program to find the shortest path from the source to all nodes in a graph using BFS and a queue.
• 2140. Implement a queue for managing online game sessions.
• 2141. Write a program to check if a queue can represent a valid sequence of operations in a double-ended queue.
• 2142. Implement a function to find the longest common subsequence in two sequences using a queue.
• 2143. Write a program to find the maximum area of a rectangle that can be formed in a histogram using a queue.
• 2144. Implement a queue that can serialize and deserialize itself.
• 2145. Write a program to determine if a sequence of operations can produce a valid queue state.
• 2146. Implement a function to check if two queues can be merged to form a valid sequence.
• 2147. Write a program to find the shortest path in a weighted graph using Dijkstras algorithm and a priority queue.
• 2148. Implement a queue for managing product recommendations in an e-commerce application.
• 2149. Write a program to find the longest path in a grid using a queue.
• 2150. Implement a queue that can perform batch updates to its elements.

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