# include <stdio.h>
int main(void)
{
char a, b, c;
char y, z, F, M, E;
double x, sum;
printf("请输入您要加的(升):\n");
scanf("%lf", &x);
printf("请输入您要选择的服务类型F,M,E:\n");
scanf("%lf", &z);
printf("请输入您要选择的汽油品种a,b,c:\n");
scanf("%lf", &y);
switch(y)
{
case 'a':
switch(z)
{
case 'F':
sum=4.75*x*0.9;
printf("%lf", sum);
break;
case 'M':
sum=4.75*x*0.95;
printf("%lf", sum);
break;
case 'E':
sum=4.75*x;
printf("&lf", sum);
break;
}
break;
case 'b':
switch(z)
{
case 'F':
sum=5.2*x*0.9;
printf("%lf", sum);
break;
case 'M':
sum=5.2*x*0.95;
printf("%lf", sum);
break;
case 'E':
sum=5.2*x;
printf("&lf", sum);
break;
}
break;
case 'c':
switch(z)
{
case 'F':
sum=5.75*x*0.9;
printf("%lf", sum);
break;
case 'M':
sum=5.75*x*0.95;
printf("%lf", sum);
break;
case 'E':
sum=5.75*x;
printf("&lf", sum);
break;
}
break;
}
return 0;
}
int main(void)
{
char a, b, c;
char y, z, F, M, E;
double x, sum;
printf("请输入您要加的(升):\n");
scanf("%lf", &x);
printf("请输入您要选择的服务类型F,M,E:\n");
scanf("%lf", &z);
printf("请输入您要选择的汽油品种a,b,c:\n");
scanf("%lf", &y);
switch(y)
{
case 'a':
switch(z)
{
case 'F':
sum=4.75*x*0.9;
printf("%lf", sum);
break;
case 'M':
sum=4.75*x*0.95;
printf("%lf", sum);
break;
case 'E':
sum=4.75*x;
printf("&lf", sum);
break;
}
break;
case 'b':
switch(z)
{
case 'F':
sum=5.2*x*0.9;
printf("%lf", sum);
break;
case 'M':
sum=5.2*x*0.95;
printf("%lf", sum);
break;
case 'E':
sum=5.2*x;
printf("&lf", sum);
break;
}
break;
case 'c':
switch(z)
{
case 'F':
sum=5.75*x*0.9;
printf("%lf", sum);
break;
case 'M':
sum=5.75*x*0.95;
printf("%lf", sum);
break;
case 'E':
sum=5.75*x;
printf("&lf", sum);
break;
}
break;
}
return 0;
}