题解 | #牛牛的快递#

#include <stdio.h>
#include<math.h>
int main() {
    float a;
    char b;
    int price;
    scanf("%f %c",&a,&b);
    if(a<=1)
    {
        if(b == 'y')
            price = 25;
        if(b == 'n')
            price = 20;
    }
    if(a>1)
    {
        if(b == 'y')
            price = 25 + ceil(a-1);
        if(b == 'n')
            price = 20 + ceil(a-1);
    }
    printf("%d",price);
    return 0;
}