Prism area, C# - rextester

Language: Layout:

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        static double lma = 0.0, lme = 0.0, h = 0.0, r = 0.0;
        
        static void introducir ()
        {
            Console.WriteLine("introduzca primer lado: ");
            lma=double.Parse(Console.ReadLine());
            Console.WriteLine("Introduzca el segundo lado: ");
            lme=double.Parse(Console.ReadLine());
            Console.WriteLine("Introduzca la altura: ");
            h=double.Parse(Console.ReadLine());
        }
        static void calcular ()
        {
            r =(lma*lme)*h;
        }
        static void validar ()
        {
            if (r>100)
            {
                Console.WriteLine("Tu resultado es: "+ r.ToString());
            }
            else
            {
                Console.WriteLine("Error, Intente con valores màs grandes.");
            }
        }
        public static void Main(string[] args)
        {
            introducir ();
            calcular ();
            validar ();
        }
    } 
}

Show compiler warnings [ - ] Show input
Compilation time: 0,14 sec, absolute running time: 0,1 sec, cpu time: 0,11 sec, average memory usage: 15 Mb, average nr of threads: 3