程序代码：

using System;

public class BlueRed
{

  public static void Main()
  {

    Random rd=new Random(DateTime.Now.Millisecond);

    int blue=rd.Next(1,16); //生成一个篮球

    int []red=new red[6];
    int count=0;

    while(count!=6) //红球生成6个不同的随机数
    {
      int j=rd.Next(1,33);

      if(!NumExists(j,red))  //检查生成的随机数是否重复
      {
         red[count]=j;
         count++;
      }

     }

    Console.WriteLine(blue.ToString()); //输出篮球

    foreach(int x in red) //输出红球
     {
       Console.Write(x.ToString()+"\t");
     }

    Console.WriteLine();

    Console.ReadKey();
  }


 public bool NumExists(int a,params int []m)
  {
    foreach(int x in m)
    {
  
     if(x==a)
      {
        return true;
      }
  
    }

    return false;
  }

}
  

程序代码：

using System;

public class BlueRed
{

    public static void Main()
    {

        Random rd = new Random(DateTime.Now.Millisecond);

        int blue = rd.Next(1, 16); //生成一个篮球

        int[] red = new int[6];
        int count = 0;

        while (count != 6) //红球生成6个不同的随机数
        {
            int j = rd.Next(1, 33);

            if (!NumExists(j, red))  //检查生成的随机数是否重复
            {
                red[count] = j;
                count++;
            }

        }

        Console.WriteLine(blue.ToString()); //输出篮球

        foreach (int x in red) //输出红球
        {
            Console.Write(x.ToString() + "\t");
        }

        Console.WriteLine();

        Console.ReadKey();
    }

    public static bool NumExists(int a, params int[] m)
    {
        foreach (int x in m)
        {

            if (x == a)
            {
                return true;
            }

        }

        return false;
    }

}