代码出了什么问题？
报错 [Error] duplicate case value等问题
希望各位帮帮忙，哪里出了问题
#include <stdio.h>
int main(void)
{
int a,c,d;
float b,j;
scanf("%d,%f",&a,&b);
c=b;
d=b+1;
if(a>=0&&a<=4)
{
switch(a)
{
if((2*c)%2==0)
{
case 0: j=10.0+(c-1)*3.0;
printf("Price: %.2f\n",j);
break;
case 1: j=10.0+(c-1)*4.0;
printf("Price: %.2f\n",j);
break;
case 2: j=15.0+(c-1)*5.0;
printf("Price: %.2f\n",j);
break;
case 3: j=15.0+(c-1)*6.5;
printf("Price: %.2f\n",j);
break;
case 4: j=15.0+(c-1)*10.0;
printf("Price: %.2f\n",j);
break;
}
else
case 0: j=10.0+(d-1)*3.0;
printf("Price: %.2f\n",j);
break;
case 1: j=10.0+(d-1)*4.0;
printf("Price: %.2f\n",j);
break;
case 2: j=15.0+(d-1)*5.0;
printf("Price: %.2f\n",j);
break;
case 3: j=15.0+(d-1)*6.5;
printf("Price: %.2f\n",j);
break;
case 4: j=15.0+(d-1)*10.0;
printf("Price: %.2f\n",j);
break;
}
}
else
printf("Error in Area\n");
return 0;
}
