More Problems

• Implement a stack-based solution for solving the problem of finding the number of distinct subsequences of a given length in a string.
• Write a program to simulate a stack-based approach for solving the problem of finding the maximum number of valid parentheses sequences in a string.
• Create a function that uses stacks to solve the problem of determining if a graph is bipartite with constraints on the edge weights.
• Design a stack-based approach to solve the problem of finding the maximum product of non-overlapping subarrays with constraints on the subarray lengths.
• Implement a stack-based solution for solving the problem of checking if a binary tree contains a valid path with alternating even and odd node values.
• Write a program to simulate a stack-based approach for solving the problem of finding the number of ways to partition an array into subarrays of equal sum.
• Create a stack-based system for solving the problem of finding the longest path in a graph with weighted edges and cycles.
• Design a stack-based algorithm to solve the problem of finding the minimum number of operations to convert a binary tree into a valid binary search tree.