Console.WriteLine("請輸入您的成績：");

int score = Convert.ToInt32(Console.ReadLine());

switch (score / 10)

{

? ? ? ? case 10: Console.Write("學(xué)神"); break;

? ? ? ? case 9: Console.Write("學(xué)霸"); break;

? ? ? ? case 8: Console.Write("優(yōu)秀"); break;

? ? ? ??case 7: Console.Write("良好"); break;

? ?? ? ?case 6: Console.Write("差強(qiáng)人意"); break;

? ? ? ? default: Console.Write("不及格"); break;

}