A valid mathematical expression can also have duplicate parenthesis as shown below: ((a+b)) (((a+(b)))+(c+d)) Write code to find if an expression has duplicate parenthesis. You […]
Given an arithmetic expression in in-fix notation. Write code to convert that algorithm in corresponding post-fix notation. For example: Infix Postfix ------ -------- a+b ab+ […]
Stack is a collection of objects where objects are inserted and removed in the Last-In-First-Out order. Element inserted at the end will be deleted first. It is […]