Console.WriteLine("請輸入10個(gè)數(shù)字");
int[] nums = new int[10];
int[] count = new int[4];
for (int i = 0; i < nums.Length; i++)
{
Console.Write("請輸入第{0}個(gè)數(shù)字", i + 1);
nums[i] = Convert.ToInt32(Console.ReadLine());
switch (nums[i])
{
case 1:
count[0] += 1;
break;
case 2:
count[1] += 1;
break;
case 3:
count[2] += 1;
break;
default:
count[3] += 1;
break;
}
}
Console.WriteLine("數(shù)字1的個(gè)數(shù)為{0}",count[0]);
Console.WriteLine("數(shù)字2的個(gè)數(shù)為{0}", count[1]);
Console.WriteLine("數(shù)字3的個(gè)數(shù)為{0}", count[2]);
Console.WriteLine("非法數(shù)字為{0}", count[3]);
} catch
{
Console.WriteLine("你輸入的有誤，程序退出。");
}
Console.ReadKey();