More Problems

• 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.
• Create a function to reverse every third pair of elements in a stack without using an auxiliary stack.
• Implement a function to find the longest sequence of valid parentheses in a given string using a stack.
• Write a program to simulate a stack-based approach for managing task priorities in a task scheduling system.