More Problems

• Implement a queue that supports adding and removing elements from both ends.
• Write a program to find the longest valid parentheses substring using a queue and stack.
• Implement a function to simulate a round-robin task scheduler using a queue.
• Write a program to find the maximum sum of elements in a queue after removing k elements.
• Implement a queue that can serialize and deserialize itself.
• Write a program to find the total number of distinct integers in a queue after several operations.
• Implement a priority queue for scheduling processes in an operating system.
• Write a program to find the longest increasing subsequence using a queue.