If i declare one data type and defined some value to it then can i use it with some other values also?

Question

Snippet of what I am thinking:-
int sum;
cin >> sum;
cout << "Here's your value" << sum;

cin >> sum;
cout << "Here's your another value" << sum;

..............
Is this correct?

Answer 1

yes, but the value from the first input will replaced by the second input.

Answer 2

correct

Answer 3

you can click the Try It Yourself

make edits, and save

and then your codes are in code playground. (fourth button with {} icon)