$1$ Introduction

We have learned the fact that stack follows from the Last$-$In$-$First$-$Out $($LIFO$)$ principle. In this assignment, we will utilize this property to reverse a vector and a string, respectively.

$2$ Problem Description

You are given the following starter codes.

#include $sv1=\{\}v2=\{1\}=\{1,2,3\}=\{1,2,3,4\}s1==s3=$abcs$4=$