using System;
using System.Collections.Generic;
using System.Text;
namespace ConsoleApplication1
{
class 行李重量
{
static void Main(string[] args)
{
{
Double a;
while (true)
{
Console.Write("请输入行李重量(kg)");
a = Convert.ToDouble(Console.ReadLine());
if (a >= 0 && a <= 50)
{
Double g = a * 0.25;
Console.WriteLine("您的运费为"+(a*0.25)+"元");
}
else if (a > 50)
{
Console.WriteLine("您的运费为"+(a*0.25+(a-50)*0.4) +"元");
}
else
{
Console.WriteLine("您的输入有误");
}
console.readline();
}
}
}
}
}