列印一個字串中字元的所有組合

#include
#include

char dest[50];

void Reverse_str(char *src, int hight, int *count);

int main()
{
char str[] = "abcde";
int count = 0;

printf("The previous string is :/n");
puts(str);
printf("----------------/n");
Reverse_str(str, 0, &count);

printf("/nThere %d assign ways!/n", count);
return 0;
}

void Reverse_str(char *src, int hight, int *count)
{
int len = strlen(src);
int i = 0, j = 0;
char *pstr = NULL;

pstr = src;
if(hight == len)
{
for(i = 0; i = hight)
{
dest[hight] = *pstr;
Reverse_str(src, hight+1, count);
}
pstr++;
}
}