题解

#include <iostream>
using namespace std;
int main(){
    char s;
    int x, y;
    cin >> s >> x >> y;
    int ts;
    switch (s) {
        case 'A': ts = 37500; break;
        case 'B': ts = 47500; break;
        case 'C': ts = 49000; break;
        case 'D': ts = 52000; break;
        case 'E':
            if (x==10) ts = 80000;
            else if (x == 30) ts = 160000;
            break;
        default: ts = 0;
    }
    if (y <= x) {
        cout << ts << endl;
    } else {
        cout << (x * ts) / y << endl;
    }
    return 0;
}