题解

#include<bits/stdc++.h>
using namespace std;
int main(){
    int weight ,money = 0;
    char f;
    cin >> weight >> f;
    if (f == 'y')  //加急收费
        money += 5;
    money += 8;
    if (weight - 1000 > 0)
        money += ceil(double(weight - 1000) / 500) * 4;  //计算加重部分收费
    cout << money;
    return 0;
}