#include "stdio.h"

double fun(int t,int m);

{float q;

if(m<=3)

q=13+1;

else

{if(m<=5||m>=23)

q=2.3*(m-3)+13+1;

else

q=2.3*(1+0.2)*(m-3)+13+1;

}

return q;

 }

int main(void)

{float x,y,sum;

x=fun(9,12);

y=fun(18,12);

sum=x+y;

printf("晓明一天的打车总费用是%f\n",sum);

return 0;

}