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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApp1
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("选择5的阶乘");
Console.WriteLine("1、5!=5\n2、5!=20\n3、5!=40\n4、5!=60");
int a = int.Parse(Console.ReadLine());
switch (a)
{
case 1:
case 2:
case 3:
goto error;
case 4:
goto right;
default:
Console.WriteLine("选项不存在"); break;
}
error:
{
Console.WriteLine("计算错误");
}
right:
{
Console.WriteLine("正确");
}
Console.ReadLine();
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApp1
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("选择5的阶乘");
Console.WriteLine("1、5!=5\n2、5!=20\n3、5!=40\n4、5!=60");
int a = int.Parse(Console.ReadLine());
error:
{
Console.WriteLine("计算错误");
}
switch (a)
{
case 1:
case 2:
case 3:
goto error;
case 4:
goto right;
default:
Console.WriteLine("选项不存在"); break;
}
right:
{
Console.WriteLine("正确");
}
Console.ReadLine();
}
}
}