More Problems

• Write a program to push elements into a stack and count how many of them are greater than the top element.
• Create a function to push numbers into a stack and remove every second number that is divisible by 4.
• Implement a stack to evaluate a postfix expression.
• Write a program to sort a stack using recursion.
• Design a function to convert an infix expression to a postfix expression using a stack.
• Implement a stack to simulate a queue (queue using two stacks).
• Write a program to check if a string has balanced parentheses using a stack.
• Design a stack that supports getMin() in constant time without using additional stacks.