private void Form1_Load(object sender, EventArgs e)

{

    //灯的集合 Dictionary<灯的序号,灯的状态(0:灭,1:亮)>

    Dictionary<int, int> dicLight = new Dictionary<int,int>();

    //添加100盏灯

    for (int i = 1; i <= 100; i++)

        dicLight.Add(i, 0);

    //100次对灯的操作

    for (int i = 1; i <= 100; i++)

    {

        if (i == 0)

            //把全部灯点亮

            for (int j = 1; j <= 100; j++)

                dicLight[j] = 1;

        else

            for (int k = 1; k <= 100; k++)

                if (k % i == 0)

                    dicLight[k] = dicLight[k] == 1 ? 0 : 1;

    }

    //循环所有灯并在界面上展示

    foreach (KeyValuePair<int, int> param in dicLight)

        txtLightStates.Text += "第" + param.Key + "盏灯状态为：" + (param.Value == 0 ? "灭" : "亮")+"\r\n";

}

private void Form1_Load(object sender, EventArgs e)

   {

   }

   public Dictionary<int, int> ChangeLightState(int lightNum, int changeLightNum)

   {

       //灯的集合 Dictionary<灯的序号,灯的状态(0:灭,1:亮)>

       Dictionary<int, int> dicLight = new Dictionary<int, int>();

       //添加N盏灯

       for (int i = 1; i <= lightNum; i++)

           dicLight.Add(i, 0);

       //N次灯的操作

       for (int i = 1; i <= changeLightNum; i++)

       {

           if (i == 1)

               //把全部灯点亮

               for (int j = 1; j <= lightNum; j++)

                   dicLight[j] = 1;

           else

               for (int k = 1; k <= lightNum; k++)

                   if (k % i == 0)

                       dicLight[k] = dicLight[k] == 1 ? 0 : 1;

       }

       return dicLight;

   }

   private void btnStartCal_Click(object sender, EventArgs e)

   {

       int lightNum=0,changeLightNum=0;

       int.TryParse(txtLightNum.Text,out lightNum);

       int.TryParse(txtChangeLightNum.Text,out changeLightNum);

       Dictionary<int, int> dicLight = ChangeLightState(lightNum, changeLightNum);

       //循环所有灯并在界面上展示

       foreach (KeyValuePair<int, int> param in dicLight)

           txtLightStates.Text += "第" + param.Key + "盏灯状态为：" + (param.Value == 0 ? "灭" : "亮") + "\r\n";

   }