More Problems

• Write a program to evaluate a postfix expression using a stack.
• Implement a function to find the minimum element in a stack.
• Create a stack that supports push, pop, and retrieving the minimum element in constant time.
• Write a program to sort elements in a stack.
• Implement a function to check if a stack is a palindrome.
• Write a function to merge two stacks into one.
• Implement a function to duplicate a stack.
• Write a program to reverse the order of elements in a stack using recursion.