#include<stdio.h>
int main()
{ float a,w,s,p,d;
int k;
printf("货物重量为");
scanf("%f",&w);
printf("送货路程为");
scanf("%f",&s);
printf("货物单价为");
scanf("%f",&p);
if(s>3000)
d=15;
else
{
k=(int)s/250;
}switch(k)
{case 0:
d=0;
break;
case 1:
d=2;
break;
case 2:
case 3:
d=5;
case 4:
case 5:
case 6:
case 7:
d=8;
break;
case 8:
case 9:
case 10:
case 11:
d=10;
case 12:
d=15;
break;
default:
break;
}
a=w*s*p*(1-d/100.0);
printf("总价为%.2f",a);
}
不知道为什么，总算不出正确答案
int main()
{ float a,w,s,p,d;
int k;
printf("货物重量为");
scanf("%f",&w);
printf("送货路程为");
scanf("%f",&s);
printf("货物单价为");
scanf("%f",&p);
if(s>3000)
d=15;
else
{
k=(int)s/250;
}switch(k)
{case 0:
d=0;
break;
case 1:
d=2;
break;
case 2:
case 3:
d=5;
case 4:
case 5:
case 6:
case 7:
d=8;
break;
case 8:
case 9:
case 10:
case 11:
d=10;
case 12:
d=15;
break;
default:
break;
}
a=w*s*p*(1-d/100.0);
printf("总价为%.2f",a);
}
不知道为什么，总算不出正确答案
