More Problems

• Write a program to simulate a stack-based approach for solving the problem of finding the minimum number of operations required to convert a binary tree into a valid binary search tree.
• Create a function that uses stacks to solve the problem of finding the number of ways to partition a set into subsets with equal sum.
• Design a stack-based approach to solve the problem of finding the longest increasing subsequence in a binary array with constraints on the number of swaps allowed.
• Implement a stack-based solution for solving the problem of determining if two strings are anagrams with additional constraints on character frequency.
• Write a program to simulate a stack-based approach for solving the problem of finding the number of valid parentheses subsequences in a string with constraints on the length.
• Create a stack-based system for solving the problem of finding the minimum number of flips required to convert a binary matrix into alternating rows and columns.
• Design a stack-based algorithm to solve the problem of finding the longest sequence of alternating even and odd numbers in a matrix with constraints on the number of swaps.
• Write a stack-based solution for solving the problem of finding the minimum number of swaps required to convert a binary string into alternating subsequences of 0s and 1s.