0107

带表头单向链表找中间节点

int *find(Link *head)
{
Link a;
Link mid;
a = mid = *head;
while (a->next != NULL)
{
if (a->next->next != NULL)
{
a = a->next->next;
mid =mid->next;
}
else
{
a = a->next;
}
}
return mid;
}