More Problems

• Implement a stack that supports undo and redo operations.
• Write a function to find the maximum depth of a stack.
• Create a function to push all elements smaller than a specified value into a stack.
• Write a program to reverse a queue using a stack.
• Implement a stack that supports push, pop, and getting the average of elements in constant time.
• Write a function to delete all negative numbers from a stack.
• Create a function to push elements from two arrays into two separate stacks.
• Write a program to push elements into a stack and pop elements based on priority (min/max).