More Problems

• Design a stack-based approach to solve the problem of finding the shortest path in a graph with weighted edges and cycles.
• Implement a stack-based solution for solving the problem of checking if a binary tree contains a path that sums to a given value with at most k changes.
• Write a program to simulate a stack-based approach for solving the problem of finding the longest palindromic subsequence in a string with constraints on the number of allowed changes.
• Create a stack-based system for solving the problem of determining if a string can be rearranged into a valid palindrome with limited swaps.
• Design a stack-based algorithm to solve the problem of finding the minimum number of cuts required to partition a string into valid palindrome subsequences.
• Implement a stack-based solution for solving the problem of checking if a binary tree contains all valid root-to-leaf paths with alternating node values.
• Write a program to simulate a stack-based approach for solving the problem of finding the longest increasing subsequence in a circular array with constraints on the number of allowed changes.
• Create a function that uses stacks to solve the problem of finding the number of distinct subsequences that contain only vowels in a string.