What is the output of the following code? int a=40; int* ptr=&a; int& ref = *ptr; ref = 60; cout

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CSS Computer Science QUESTION #1126

Question 1

What is the output of the following code? int a=40; int* ptr=&a; int& ref = *ptr; ref = 60; cout << a;

Correct Answer Explanation

The reference ref is bound to variable a through the pointer. Changing ref to 60 directly updates the memory value of a. Thus, cout << a prints 60.