More Problems

• Design a stack-based approach to solve the problem of finding the longest subsequence in an array with alternating positive and negative numbers.
• Implement a stack-based solution for solving the problem of finding the number of distinct paths in a graph with exactly k edges.
• Write a program to simulate a stack-based approach for solving the problem of finding the maximum sum of two non-overlapping subarrays in a binary array.
• Create a stack-based system for solving the problem of finding the minimum cost to connect all points in a graph with weighted edges.
• Design a stack-based algorithm to solve the problem of determining if a binary tree contains a root-to-leaf path with a given sum.
• Implement a stack-based solution for solving the problem of checking if two strings are rotations of each other.
• Write a program to simulate a stack-based approach for solving the problem of finding the minimum number of operations to convert one string into another.
• Create a function that uses stacks to solve the problem of finding the number of ways to partition a set into two subsets with equal sum.