More Problems

• Write a program to find the longest sequence of balanced parentheses using a stack.
• Create a function to merge two stacks in sorted order.
• Implement a stack to store function call frames for a recursive algorithm.
• Write a program to check if a sequence of parentheses can be made balanced by adding at most one pair.
• Design a stack-based approach to simulate a card game where players draw and discard cards.
• Implement a stack to find the nearest greater and smaller elements for each element in an array.
• Write a program to evaluate a postfix expression with support for exponential operations.
• Write a program to push elements into a stack and remove duplicates while maintaining the order of elements.