More Problems

• Write a program to find the first unique character in a stream of characters using a queue.
• Implement a function that tracks the maximum and minimum values in a queue after each operation.
• Write a program to find the longest increasing subsequence of elements in a queue.
• Implement a circular queue for managing tasks in a project with deadlines.
• Write a program to find the first unique integer in a queue after multiple operations.
• Implement a queue that allows for simultaneous enqueue and dequeue operations.
• Write a program to check if a sequence of operations can produce a valid queue state.
• Implement a function that finds the first k elements in a queue that occur most frequently.