More Problems

• Implement a stack-based solution for solving the problem of finding the number of distinct palindromic subsequences in a string with constraints on the substring length.
• Write a program to simulate a stack-based approach for solving the problem of determining if a binary tree contains a valid path with alternating even and odd node values.
• Create a function that uses stacks to solve the problem of finding the number of distinct subsequences in a string that contain all distinct characters.
• Design a stack-based approach to solve the problem of finding the maximum sum of elements in a matrix with non-overlapping submatrices.
• 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 additional constraints on node values.
• Write a program to simulate a stack-based approach for solving the problem of finding the minimum number of cuts to partition an array into subarrays of equal sum.
• Create a stack-based system for solving the problem of determining if a graph contains any cycles with additional constraints on edge weights.
• Design a stack-based algorithm to solve the problem of finding the longest path in a graph with alternating positive and negative edge weights.