More Problems

• Create a function that uses a stack to find the k-th missing positive integer in a stack of unsorted elements.
• Design a stack-based approach to solve the problem of finding the longest zigzag path in a binary tree.
• Implement a stack-based solution for solving the matrix chain multiplication problem using dynamic programming.
• Write a stack-based system to simulate a train station problem where multiple trains must be stacked and unstacked in a specific order.
• Create a function to solve the "Word Ladder" problem using a stack-based depth-first search approach.
• Design a stack-based algorithm to solve the 4-SUM problem in O(n³) time.
• Implement a stack-based approach for finding all articulation points and biconnected components in an undirected graph.
• Write a program to simulate a stack-based solution for solving the minimum cost path problem in a weighted grid.