2014.1.6 作業二 老師:林中誠 2014.1.6 作業二 老師:林中誠

 #include <stdio.h>

#include <stdlib.h>
 
main()
{
 
 int unit_price=100;
 int Total_price=0,Qty=0;
 
 printf("Input Qty to buy :");
 scanf("%d",&Qty);
 
 if (Qty>10)
  
   printf("You have to pay $%d\n",(Qty*90));
  
 else
   {
   Total_price=Qty*unit_price;
   printf("You have to pay $%d\n",Total_price);
   }
   
  system("pause"); 
}