What is the meaning of of cin >> operand type are std::istream? No operator matches ">>"

Question

cout << "Please enter the name of student "<<i <<endl;
cin >> studentname;

Answer 1

Did you declare

string studentname;

?

Answer 2

I need you to place the code in the playground, and put the link to the in a new comment.

On pc copy paste the url.

Phone use

+ Insert

|
\/

Answer 3

yes I did