Topic: stack-problem / Level: advanced

• 2801. Design a stack-based algorithm to solve the problem of checking if a graph is bipartite with additional constraints on node degree.
• 2802. Implement a stack-based solution for solving the problem of finding the longest increasing subsequence with alternating even and odd integers in an array.
• 2803. Write a program to simulate a stack-based approach for solving the problem of determining if two binary search trees are structurally identical with constraints on node values.
• 2804. Create a function that uses stacks to solve the problem of finding the maximum product of two non-overlapping subarrays in a binary array.
• 2805. Design a stack-based approach to solve the problem of finding the longest path in a tree with constraints on node values and edge weights.
• 2806. Implement a stack-based solution for solving the problem of checking if two graphs contain identical sets of edges with constraints on edge weights.
• 2807. Write a program to simulate a stack-based approach for solving the problem of finding the minimum number of flips required to make a binary matrix a valid checkerboard.
• 2808. Create a stack-based system for solving the problem of finding the number of valid sequences of parentheses that can be formed with a given number of pairs.
• 2809. Design a stack-based algorithm to solve the problem of finding the longest palindromic subsequence in a string with alternating characters.
• 2810. Implement a stack-based solution for solving the problem of checking if a binary tree contains a valid path with alternating left and right child nodes.
• 2811. Write a program to simulate a stack-based approach for solving the problem of finding the maximum sum of non-overlapping subarrays in a circular matrix.
• 2812. Create a function that uses stacks to solve the problem of determining if a string is a valid palindrome with at most one allowed swap.
• 2813. Design a stack-based approach to solve the problem of finding the shortest path in a weighted graph with multiple constraints on edge weights.
• 2814. Implement a stack-based solution for solving the problem of checking if a graph contains any strongly connected components with a specific edge weight.
• 2815. Write a program to simulate a stack-based approach for solving the problem of finding the longest common subsequence between two strings with additional constraints on character frequency.
• 2816. Create a stack-based system for solving the problem of finding the number of distinct subsequences in a string that contain all distinct characters.
• 2817. Design a stack-based algorithm to solve the problem of determining if a binary search tree contains all valid root-to-leaf paths with alternating even and odd node values.
• 2818. Implement a stack-based solution for solving the problem of finding the maximum number of ways to split a binary string into valid palindrome substrings.
• 2819. Write a program to simulate a stack-based approach for solving the problem of determining if two binary trees are mirror images of each other with constraints on node values.
• 2820. Create a function that uses stacks to solve the problem of finding the minimum number of swaps required to convert a binary tree into a valid binary search tree.
• 2821. Design a stack-based approach to solve the problem of finding the longest sequence of alternating positive and negative integers in a circular array.
• 2822. Implement a stack-based solution for solving the problem of checking if a binary tree is a complete binary tree with additional constraints on height.
• 2823. Write a program to simulate a stack-based approach for solving the problem of finding the number of distinct subsequences in a string that contain at least one vowel.
• 2824. Create a stack-based system for solving the problem of finding the maximum product of non-overlapping subarrays in a matrix with constraints on subarray size.
• 2825. Design a stack-based algorithm to solve the problem of finding the shortest path in a graph with multiple cycles and weighted edges.
• 2826. Implement a stack-based solution for solving the problem of checking if two binary search trees contain the same set of values with constraints on tree height.
• 2827. Write a program to simulate a stack-based approach for solving the problem of finding the minimum number of cuts required to partition a string into valid palindrome subsequences.
• 2828. Create a function that uses stacks to solve the problem of determining if a graph contains a Hamiltonian path with constraints on edge weights.
• 2829. Design a stack-based approach to solve the problem of finding the number of valid parentheses substrings in a binary string with additional constraints on nesting depth.
• 2830. Implement a stack-based solution for solving the problem of checking if a binary tree contains a valid path that sums to a given value with at most one allowed change.
• 2831. Write a program to simulate a stack-based approach for solving the problem of finding the maximum number of valid palindrome substrings in a binary string.
• 2832. Create a stack-based system for solving the problem of determining if a graph is strongly connected with constraints on the number of edges.
• 2833. Design a stack-based algorithm to solve the problem of finding the maximum number of ways to partition an array into subarrays that sum to a target value.
• 2834. Implement a stack-based solution for solving the problem of checking if a string is a valid palindrome after deleting at most two characters.
• 2835. Write a program to simulate a stack-based approach for solving the problem of finding the longest subsequence in an array that can be rearranged into a palindrome.
• 2836. Create a function that uses stacks to solve the problem of finding the minimum number of operations required to convert a string into a valid palindrome.
• 2837. Design a stack-based approach to solve the problem of finding the maximum sum of elements in a matrix with non-overlapping submatrices of varying sizes.
• 2838. Implement a stack-based solution for solving the problem of checking if a directed graph contains any cycles with constraints on the number of edges.
• 2839. Write a program to simulate a stack-based approach for solving the problem of determining if a binary tree contains a valid root-to-leaf path that sums to a given value.
• 2840. Create a stack-based system for solving the problem of finding the longest sequence of alternating positive and negative integers in an array.
• 2841. Design a stack-based algorithm to solve the problem of finding the minimum number of cuts required to partition a string into valid palindrome substrings with additional constraints on character frequency.
• 2842. Implement a stack-based solution for solving the problem of checking if a binary tree contains all valid root-to-leaf paths with alternating even and odd node values.
• 2843. Write a program to simulate a stack-based approach for solving the problem of finding the maximum number of non-overlapping palindrome subsequences in a binary string.
• 2844. Create a function that uses stacks to solve the problem of determining if a graph contains any Hamiltonian cycles with additional constraints on node degrees.
• 2845. Design a stack-based approach to solve the problem of finding the longest path in a binary tree with alternating left and right child nodes.
• 2846. Implement a stack-based solution for solving the problem of checking if a binary tree contains any duplicate node values with additional constraints on tree structure.
• 2847. Write a program to simulate a stack-based approach for solving the problem of finding the minimum number of operations to convert a binary string into a valid palindrome.
• 2848. Create a stack-based system for solving the problem of determining if a string is a valid palindrome with additional constraints on character frequency.
• 2849. Design a stack-based algorithm to solve the problem of finding the number of distinct subsequences in a string that contain all vowels with constraints on length.
• 2850. Write a stack-based solution for solving the problem of finding the number of valid ways to rearrange a binary string into alternating 0s and 1s with constraints on length.

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