How to make this code run?

Question

I am still getting some problem with the switch statement hence I want find out a solution to make the following programme run.
https://code.sololearn.com/ctJGIng28191/?ref=app

Answer 1

switch is used for checking given value and not calculate value, in your case you should use the " if else" statement

int age = 24;
if (age>18){
Console.WriteLine("Here you are");
}
else if(age<18){
Console.WriteLine("No smoking underage");
}