using static System.Console;
 
public class Program {
    public static void Main() {
        WriteLine("Bem vindo a calculadora do console 0.1 Alpha.");
        int quantNumCalc;
        while (true) {
            WriteLine("Por favor insira quantos números você quer calcular.");
            if (!int.TryParse(ReadLine(), out quantNumCalc) || quantNumCalc < 2) {
                WriteLine("Operação inválida. Digite mais de um número(ERRO 0001)");
                WriteLine("pressione qualquer tecla e aperte enter para tentar novamente.");
                ReadLine();
                Clear();
                continue;
            }
            break;
        }
        var array = CriaArray(quantNumCalc);
    }
 
    public static int[] CriaArray(int quantidadeNumeros) => new int[quantidadeNumeros];
}
 
//https://pt.stackoverflow.com/q/471931/101

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YQoxCjIK

a
1
2