Console.WriteLine("请输入10个数");
int[] nums = new int[10];
int n = 0;
do
{
Console.WriteLine("请输入第{0}个数", n + 1);
nums[0] = Convert.ToInt32(Console.ReadLine());
n++;
}
while (n <= 9);
int x=0;
int[] count=new int[4]{0,0,0,0};
switch(nums[x])
{
case 1:
count[0]++;
break;
case 2:
count[1]++;
break;
case 3:
count[2]++;
break;
case 4:
count[3]++;
break;
}
Console.WriteLine("数字1的个数：");
Console.WriteLine("数字2的个数：");
Console.WriteLine("数字3的个数：");
Console.WriteLine("非法数字的个数：");
Console.ReadKey();
