求助：16进制0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F 反过来对应F,E,D,C,B,A,9,8,7,6,5,4,3,2,1,0
求助：16进制0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F 反过来对应F,E,D,C,B,A,9,8,7,6,5,4,3,2,1,0
日期：2021-02-08 02:36:59 人气：1
你希望输入一个数组，输入反过来的数组是吗？
参考代码：
string arr1 = "0123456789ABCDEF";
string arr2 = "FEDCBA9876543210";
string a = "FFF6FB";
string b = "";
for (int i = 0; i < a.Length; i++)
{
int idx = arr1.IndexOf(a[i]);