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Ram Sharma • 193.86K Points
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Q. Output of following C++ program?

Code: 
#include<iostream>
using namespace std;
int main()
{
int x = 10;
int& ref = x;
ref = 20;
cout << "x = " << x << endl ;
x = 30;
cout << "ref = " << ref << endl;
return 0;
}
  • (A) x = 30; ref = 30
  • (B) x = 10; ref = 30
  • (C) x = 20; ref = 20
  • (D) x = 20; ref = 30
  • Correct Answer - Option(D)
  • Views: 104
  • Filed under category C++

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