#include<stdio.h>

float xiaokai(int w,int r,float t,int y,int u)//定义费用函数 

{

float jg;

if(w-y>0)

{

jg=(w-y)*t+u+r;

}

else

{

jg=u+r;

}

return jg;

} 

    float sj(n)//定义时间函数 

{

float i;

switch(n)

{

case 1:

i=1.2;

break;

case 2:

i=1.2;

break;

case 3:

i=1.2;

break;

case 4:

i=1;

break;

case 5:

i=1.2;

break;

case 6:

i=1;

break;

case 7:

i=1;

break;

case 8:

i=1;

break;

case 9:

i=1;

break;

case 10:

i=1;

break;

case 11:

i=1;

break;

case 12:

i=1;

break;

case 13:

i=1;

break;

case 14:

i=1;

break;

case 15:

i=1;

break;

case 16:

i=1;

break;

case 17:

i=1;

break;

case 18:

i=1;

break;

case 19:

i=1;

break;

case 20:

i=1;

break;

case 21:

i=1;

break;

case 22:

i=1;

break;

case 23:

i=1.2;

break;

case 24:

i=1.2;

break;

    }

      return i;

}

int main()

{

printf("%f",xiaokai(12,1,2.3,3,13)*sj(9)/*←括号类填写上班时间*/+xiaokai(12,1,2.3,3,13)*sj(18)/*←括号内填写下班时间*/); 

return 0;

}

//输出结果为 69.40002