More Problems

• Design a stack-based algorithm to solve the problem of finding the number of distinct subsequences in a string that contain all distinct characters.
• Write a stack-based solution for solving the problem of finding the number of valid palindromic subsequences in a string with constraints on length.
• Design a stack-based algorithm to solve the problem of checking if a graph is bipartite with additional constraints on node degree.
• Implement a stack-based solution for solving the problem of finding the longest increasing subsequence with alternating even and odd integers in an array.
• 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.
• Create a function that uses stacks to solve the problem of finding the maximum product of two non-overlapping subarrays in a binary array.
• 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.
• Implement a stack-based solution for solving the problem of checking if two graphs contain identical sets of edges with constraints on edge weights.