题解 | #牛牛的快递#

#include <stdio.h>

int main() {
    float a;//快递重量
    char b;//是否加急y/n
    int fee = 0, A;
    scanf("%f", &a);
    getchar();
    b = getchar();
    int d = (int)a;
    if (a == d)
        A = a;
    else
        A = a + 1;

    if (1 == A) {
        if (b == 'y')
            fee = 25;
        else
            fee = 20;
    } else {
        if (b == 'y')
            fee = 25 + (A - 1);
        else
            fee = 20 + (A - 1);
    }
    printf("%d", fee);
    return 0;
}