//遍历score已按从大到小排序的单向链表,将节点pIn插入适合的位置
void insert(student* headIned, student* pIn)
{
student* p = headIned, *pp = headIned;
if (pIn == NULL)
return;
while (p != NULL)
{
if (p->score <= pIn->score)
{
if (p == headIned)
{
pIn->link = p;
headIned = pIn;
return;
}
else
{
pIn->link = p;
pp->link = pIn;
return;
}
}
else if (p->link == NULL)
{
p->link = pIn;
pIn->link = NULL;
}
else
{
if (p == headIned)
p = p->link;
else
{
p = p->link;
pp = pp->link;
}
}
}
}
无法成功插入,请问这个函数哪里出了问题