More Problems

• Write a program to determine the minimum number of operations to convert one queue into another.
• Implement a function that uses a queue to find all unique permutations of a given string.
• Write a program to find the maximum frequency of elements in a queue after various operations.
• Implement a queue for managing patient appointments in a hospital.
• Write a program to check if a queue can represent a valid sequence of operations for a stack.
• Implement a function to find the longest increasing subsequence in a queue.
• Write a program to simulate a traffic control system using a queue.
• Implement a queue for managing a to-do list with priorities.