More Problems

• Create a function to simulate a ticketing system where customers can cancel and reorder their tickets using stacks.
• Write a program to implement a stack-based approach to solve the stock span problem.
• Implement a function to evaluate a boolean expression in prefix notation using a stack.
• Write a program to reverse every second group of k elements in a stack using a second stack.
• Create a function to solve the problem of finding the smallest element on the left of each element in an array using a stack.
• Write a program to implement a stack-based approach for solving the problem of finding the largest rectangle in a binary matrix.
• Implement a function to simulate a depth-first traversal of a binary tree using a stack.
• Write a program to simulate a stack-based approach to detect cycles in a directed graph.