static void Main(string[] args)
{
Console.WriteLine("Choose: ");
Console.WriteLine("Print 1 for list stack, print 2 for array stack ");
var input = Console.ReadLine();
if (!int.TryParse(input, out int choice))
{
Console.WriteLine("Invalid input");
return;
}
IStack stack = choice switch
{
1 => new ListStack(),
2 => new ArrayStack(),
_ => null
};
Console.WriteLine("Enter postfix expression: ");
string expression = Console.ReadLine();
var(isCorrect, result) = SuperCalculator.Calculate(expression, stack);
if (!isCorrect)
{
Console.WriteLine("Invalid postfix expression");
return;
}
Console.WriteLine("Result: " + result);
}
}
private static bool Test1(IStack stack)
{
string expression = "1 2 3 * +";
var(isCorrect, result) = SuperCalculator.Calculate(expression, stack);
return(isCorrect || result == 7);
}
private static bool Test3(IStack stack)
{
string expression = "* +";
var(isCorrect, result) = SuperCalculator.Calculate(expression, stack);
return(!isCorrect);
}
