#include<stdio.h>

double?totalExpense(int?distance,int?time)
{
??double?total=1.0;
??if(distance?<=?3)
????total=13.0;
??else
??{
????if(time>=23?||?time<5)
??????total?=?13?+?(distance-3)*2.3*1.2;
????else
??????total?=?13?+?(distance-3)*2.3;
??}
??
??return?total;
}

int?main()
{
??int?distance1=12,time1=9,distance2=12,time2=18;
??double?total1=0,total2=0,total=0;
??total1?=?totalExpense(distance1,time1);
??total2?=?totalExpense(distance2,time2);
??total?=?total1?+?total2;
??printf("小明每天的打車費用是%f\n",total);
}