void Permutation(char* pStr)
{
if (pStr == NULL)
return;
Permutation(pStr, pStr);
}
void Permutation(char* pStr, char* pBegin)
{
if (*pBegin == ' ')
{
printf("%s
", pStr);
}
else
{
for (char* pCh = pBegin; *pCh != ' '; ++pCh)
{
char temp = *pCh;
*pCh = *pBegin;
*pBegin = temp;
Permutation(pStr, pBegin + 1);
temp = *pCh;
*pCh = *pBegin;
*pBegin = temp;
}
}
}