头歌平台实训：快递费用计算

#include 
#include  
int main()
{
    int area;
    float weight,price = 0;
    scanf("%d,%f",&area,&weight);
    if(area<0||area>4)
    {
        printf("Error in Arean");
    }
    else if(area==0)
    {
        if(weight<1)
        {
            price=10;
        }
        else
        {
            weight = ceil(weight);
            price = 10 + (weight-1)*3;
        }
    }
    else if(area==1)
    {
        if(weight<1)
        {
            price=10;
        }
        else
        {
            weight = ceil(weight);
            price = 10 + (weight-1)*4;
        }
    }
    else
    {
        if(weight<1)
        {
            price=15;
        }
        else
        {
            if(area==2)
            {
                weight=ceil(weight);
                price=15+(weight-1)*5;
            }
            else if(area==3)
            {
                weight=ceil(weight);
                price=15+(weight-1)*6.5;
            }
            else
            {
                weight = ceil(weight);
                price = 15 + (weight-1)*10;
            }
        }
    }
    printf("Price: %.2fn",price);
    return 0;
}

​