加密解密函数(另附加密解密函数可逆测试程序) Public Function UserCode(Optional ByVal password As String) As String '用户口令加密-非汉字 Dim il_bit, il_x, il_y, il_z, il_len, i As Long Dim is_out As String If password = "" Then Exit Function '注意此修改 il_len = Len(passwo rd) il_x = 0
C++ 数据结构之kmp算法中的求Next()函数的算法
实例代码:
#include
using namespace std;
void preKmp(char *c, int m, int Next[])
{
int i=1,j=-1;
Next[0]=-2;
while(i<m)
{
if(j==-2)
{
Next[i]=-1;
i++;
j=-1;
}
++j;
if(i