Examveda

What will be the output of the following C++ code?
#include<iostream>
using namespace std;
 
int main()
{
   int x = 10;
   int& ref = x;
   ref = 20;
   cout << x << endl ;
   x = 30;
   cout << ref << endl;
   return 0;
}

A. 20
30

B. 10
10

C. 10
20

D. 10
30

Answer: Option A


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Related Questions on Pointers and References in C plus plus

What is a pointer in C++?

A. A variable that stores the size of another variable

B. A variable that stores the address of another variable

C. A variable that stores a reference to another variable

D. None of the above