In this article we will explore how we can find the length of longest balanced parentheses prefix using java , first we will understand the problem with some examples then we learn two different approaches to find it. Problem Statement Here, we will be given a string with parentheses and ... Read More

In order to delete the middle element of a stack, then first we need to remove the elements above the middle element. After removing the middle element, we restore the elements above it to maintain the original sequence. We can achieve this using a recursive approach, as explained step-by-step below. ... Read More