Show the output of the following code: #include <iostream>using namespace std; void f(double& p){   p += 2; }   int main() {   double x = 10; int y = 10;   f(x); f(y);   cout << "x is " << x << end1; cout << "y is " << y << end1;return 0; }

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A: I have  provided  C++  CODE  along  with  CODE  SCREENSHOT  and   OUTPUT  SCREENSHOT-------------

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A: I give the code in Cpp along with output and code screenshot

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OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career. 

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is: