More Problems

• Create a function that uses stacks to solve the problem of finding the number of distinct subsequences in a string that contain exactly k 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 of equal size.
• Implement a stack-based solution for solving the problem of checking if a string is a valid palindrome after at most two character removals.
• Write a program to simulate a stack-based approach for solving the problem of finding the longest sequence of alternating even and odd numbers in a circular array.
• Create a stack-based system for solving the problem of determining if a binary search tree contains all possible valid paths from root to leaf.
• Design a stack-based algorithm to solve the problem of finding the number of ways to partition an array into subarrays with equal sum.
• Implement a stack-based solution for solving the problem of checking if a graph contains any strongly connected components with exactly k nodes.
• Write a program to simulate a stack-based approach for solving the problem of finding the maximum product of non-overlapping subarrays in a circular array.