要求:將兩個遞增的單鏈表合併成一個仍然遞增的單鏈表
pre = la;pa = la->next;pb = lb->next;
while(pa != NULL && pb != NULL)
{
if(pa->data <= pb->data)
{
pre = pa;pa = pa->next;
}
else
{
lb->next = pb->next;
pb->next = pa;
pre = pb;
pb = lb->next;
}
}
if(pb != NULL)
pre->next = pb;