综合练习2

#代码

Console.WriteLine("请输入10个整数：");

int[] nums = new int[10];

int[] count = new int[4];

for (int i = 0; i < nums.Length; i++)

{

Console.WriteLine("请输入第{0}个数：",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;

case 4:

count[3] += 1;

break;

            }

        }

        Console.WriteLine("数字1的个数{0}",count[0]);

        Console.WriteLine("数字2的个数{0}", count[1]);

        Console.WriteLine("数字3的个数{0}", count[2]);

        Console.WriteLine("非法数字的个数{0}",count[3]);

        Console.ReadKey();

#效果

图片发自App