题解 | #牛牛的快递#

#include <stdio.h>

int main() {
    float a =0;
    char b =0;
    int money = 0;
    scanf("%f %c",&a,&b);
    if(a<=1)
    {
        money = 20;
    }
    else 
    {
        money = ((int)(a-0.0001))*1+20;
    }
    if(b=='y')
    {
        money += 5;
    }
    printf("%d\n",money);
    return 0;
}