#include <stdio.h>

//判断是否需要额外20%费用

float getAddition(int times){

     if(times>=23 || times<5){

         return 1.2;

     }else{

         return 1;

     }

 }

 //获取往返路程花费  需要来回的时间  路程distance

float getCost(int goTime,int backTime,int distance)

{

    float cost=13;

    if(distance<=3){

        return  cost+1;

    }else{

       cost=distance*getAddition(goTime)*2.3+1;

       cost+=distance*getAddition(backTime)*2.3+1;

        return  cost<13? 13: cost;

    }

}

int main()

{

    printf("上班打车总花费是%f",getCost(4,24,12));

    return 0;

}