More Problems

• Write a program to evaluate a postfix expression with support for multiple levels of parentheses.
• Implement a stack to perform a depth-first search (DFS) on a tree and store the traversal order.
• Write a program to simulate an undo/redo operation in a drawing application using stacks.
• Create a function to merge k stacks into one sorted stack using a priority queue.
• Write a program to implement a stack-based approach for finding the minimum element in each sliding window.
• Implement a function to reverse every other group of k elements in a stack using recursion.
• Write a program to simulate a stack-based approach for managing the call stack of a recursive function.
• Write a program to push and pop elements from two stacks alternately, maintaining order.