More Problems

• Create a stack-based system for solving the problem of finding the longest path in a graph with weighted edges and cycles.
• Design a stack-based algorithm to solve the problem of finding the minimum number of operations to convert a binary tree into a valid binary search tree.
• Implement a stack-based solution for solving the problem of determining if two strings are permutations of each other with at most one allowed swap.
• Write a program to simulate a stack-based approach for solving the problem of finding the number of ways to arrange a string into a valid palindrome with constraints on character frequencies.
• Create a function that uses stacks to solve the problem of finding the maximum sum of elements in an array that can be split into subarrays with equal sum.
• Design a stack-based approach to solve the problem of finding the longest increasing subsequence in a circular array with constraints on the number of swaps allowed.
• Implement a stack-based solution for solving the problem of determining if a binary tree contains a valid path that sums to a given value with constraints on the node values.
• Write a program to simulate a stack-based approach for solving the problem of finding the maximum number of valid palindrome partitions in a string.