#include <stdio.h>

float unit_price = 2.3; //單價

int price = 13; //起步價

int min_lc = 3; //最短路程

int max_time = 23; //最晚時間

int min_time = 5; //最早時間

int tax = 1;? ? //燃油附加稅

/**

?* @param int km 路程公里數

?* @param int Time 搭乘時間

*/

float calculate_price(int km,int Time)

{

? ? float pay_price;

? ? km = km <= 3 ? 3 : km;

? ? if(Time >= max_time || Time <= min_time){

? ? ? ? unit_price *= 1.2;

? ? }

? ? pay_price = price + (km-min_lc) * unit_price + tax;

? ? return pay_price;

}

int main()

{

? ? float one = calculate_price(12,9);

? ? float two = calculate_price(12,18);

? ? float pay_price = one + two;

? ? printf("小明每天打車的錢是：%f",pay_price);

}