int?main()
{int?d;
float?t,t1;printf("確定要轉換的類型:\n1)華氏轉攝氏\n");
printf("2)攝氏轉華氏\n請選擇1或2:");
scanf("%d",&d);
printf("請輸入溫度:");
scanf("%f",&t);
if(d==1)
{t1=(t-32)*5/9;
printf("攝氏溫度為%.2f度\n",t1);}
else
{t1=t*9/5+32;
printf("華氏溫度為%.2f度\n",t1);}
return?0;?
}