Category: data structure


Print Bracket Number

“Print Bracket Number” is a stack based basic problem asked in technical round of product- based company. Here, in this problem, we are given a expression string of balanced brackets and our task is...


Length of Longest Valid Substring

“Length of Longest Valid Substring” is one of the famous technical and algorithmic interview problem based on stack data structure. Here, we are given a string consisting of open and closing parentheses and our...