题解 | #牛牛的快递#

#include <stdio.h>
#include <math.h>

int main()
{
    float a ;
    char b;
    int price = 20;

    scanf("%f %c",&a,&b);

    if (a > 1)
    {
        price = price + ceil(a - 1);
    }
    if (b == 'y')
    {
        price += 5;
    }
    printf("%d",price);
    return 0;
}