More Problems

• Implement a stack-based solution for solving the problem of checking if a binary tree contains all valid root-to-leaf paths with alternating left and right child nodes.
• Write a program to simulate a stack-based approach for solving the problem of determining if a string can be rearranged into a valid palindrome with limited character swaps.
• Create a function that uses stacks to solve the problem of finding the number of distinct subsequences in a string that contain at least one vowel and one consonant.
• Design a stack-based approach to solve the problem of finding the longest subsequence in an array that alternates between even and odd numbers.
• Implement a stack-based solution for solving the problem of determining if a graph contains any articulation points with additional constraints on node degrees.
• Write a program to simulate a stack-based approach for solving the problem of finding the maximum sum of non-overlapping subarrays in a binary array with constraints on subarray length.
• Create a stack-based system for solving the problem of finding the minimum number of flips required to make a binary matrix alternating with constraints on the matrix size.
• Design a stack-based algorithm to solve the problem of determining if two binary search trees contain the same set of values with constraints on tree height.