More Problems

• 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.
• Create a stack-based system for solving the problem of finding the minimum number of flips required to convert a binary matrix into a matrix with alternating row values.
• Design a stack-based algorithm to solve the problem of finding the number of valid parentheses substrings in a string with constraints on the substring lengths.
• Write a stack-based solution for solving the problem of determining if a graph contains any articulation points.