#include"random.h"
#include"customerGroup.h"
random ran;//隨機數類ran
customerGroup::customerGroup():groupsize(ran.between(1,5))
{
}//隨機產生一個固定大小的顧客群
int customerGroup::orderSize()//購多少份
{
   int scoops=0;
   for(int i=0;i<groupsize;i++)
   {
	   ran.refresh();
        scoops+=(ran.between(1,3));//假定顧客群每個顧客點1到3份
   }
   return scoops;
}