Guys..how to use user input in code playground??

Question

I'm learning C++

Answer 1

#include <iostream>

using std::cin;
using std::cout;

int main() {

int a;
cin >> a; //input
cout << a*a;

return 0;
}

Answer 2

that I know mate, when I use cin,there is a prompt from the code playground..saying..it seems you have multiple inputs..how to input statements in it

Answer 3

I dont know any of this is this in adult work