printf("%.1fX%d",p->coef,p->expn);

if(p->next==NULL)

return;

else printf("+");

p=p->next;

}

}

/*主函数*/

int main()

{

PotyNode *LA,*LB,*LC;

int x;

printf("请输入多项式A的每项系数与指数(系数和指数输入0结束多项式的输入):\n");

LA=Creat_PotyNodeTail();

printf("多项式A为:");

print_PotyNode(LA);

printf("\n请输入多项式B的每项系数与指数(系数和指数输入0结束多项式的输入):\n");

LB=Creat_PotyNodeTail();

printf("\n");

printf("多项式B为:");

print_PotyNode(LB);

printf("\n");

LC=Add_PotyNode(LA,LB);

printf("多项式A和B相加得:");

print_PotyNode(LC);

scanf("%d",&x);

}