More Problems

• Write a program to evaluate a postfix expression using a queue.
• Implement a queue that supports peek operations on both ends.
• Write a program to find the longest path in a grid with obstacles using a queue.
• Implement a function to perform a breadth-first traversal of a graph represented as an adjacency list.
• Write a program to find the minimum number of operations to convert one string into another using a queue.
• Implement a function that uses a queue to track the state of a game or simulation.
• Write a program to merge multiple sorted queues into one sorted queue.
• Implement a function to find the maximum depth of a binary tree using a queue.