More Problems

• 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.
• Create a function to check if a given expression with square brackets, curly brackets, and parentheses is balanced using a stack.