#include?“stdio.h“
#include?“string.h“
#include?“malloc.h“
typedef?struct?PNode
{
	int?coef;
????int?expn;
????struct?PNode?*next;
?}*POLY;???????????????????????//POLY為一元多項式的類型
?void?CreatPoly（POLY?&Hint?n）?//一元多項式的創建操作，其中n為一元多項式的項數
?{??
	??int?icoefexpn;
?????H=（POLY）malloc（sizeof（PNode））;
?????POLY?ps;
?????H->next=NULL;
?????p=H;
?????for（i=1;i<=n;i++）
?????{?
		printf（“請輸入第%d個系數:“i）;
????????scanf（“%d“&coef）;
????????printf（“請輸入第%d個指數:“i）;
????????scanf（“%d“&expn）;
????????s=（POLY）malloc（sizeof（struct?PNode））;?
????????s->coef=coef;
		s->expn=expn;
????????s->next=NULL;
		p->next=s;
		p=s;
?????}
???}
??void?OutputPoly（POLY??H）?//一元多項式的輸出操作
?{?
	??int?flag=1;??//flag用來是否為第一項的標識
??????POLY?p;
??????p=H->next;
??????while（p）
??????{?
		??if（f