int[] shuzi1 = { 18,25,7,36,13,2,89,63};
int min = 0;//用来储存最小的值
int xb = 0;//用来储存最小值的下标
int[]shuzi2 =new int[shuzi1.Length];//保存原始的数组
Array.Copy(shuzi1, shuzi2, shuzi1.Length);
Array.Sort(shuzi1);//找出最小值
min = shuzi1[0];
xb = Array.IndexOf(shuzi2, min);
Console.WriteLine("最低积分是{0},在数组中的原始位置是{1}",min,xb);
Console.ReadKey();