kelas

#include <bits/stdc++.h>
#include <iomanip>
using namespace std;

class Mahasiswa {
    private:
        string nim, nama;
        char jk;
        double ipk;
    public:
        Mahasiswa() { nim=nama=""; jk=' '; ipk=0; }
        void set(string id, string nam, char jenis, double grade) {
            nim=id; nama=nam; jk=jenis; ipk=grade;
        }
        string getNIM() { return nim; }
        string getNama() { return nama; }
        char getJK() { return jk; }
        double getIPK() { return ipk; }
};

class daftarMahasiswa {
    private:
        map<string, Mahasiswa> list_mahasiswa;
    public:
        daftarMahasiswa() { list_mahasiswa.clear(); }
        void add(string nim, Mahasiswa m) { list_mahasiswa.insert({nim, m}); }
        char checkGender(string nim) { return list_mahasiswa.at(nim).getJK(); }
        double checkIPK (string nim) { return list_mahasiswa.at(nim).getIPK(); }
};

int main(void) {
    int n, m;
    string nim, nama; char jk; double ipk;
    daftarMahasiswa daftar;

    cin >> n;
    for (int i=0; i<n; i++) {
        cin >> nim >> nama >> jk >> ipk;
        Mahasiswa temp; temp.set(nim, nama, jk, ipk);
        daftar.add(nim, temp);
    }

    cin >> m;
    int total_L = 0, total_P = 0, paralel_size = 0;
    double ipk_sum = 0.00, avg_ipk;
    for (int i=0; i<m; i++) {
        cin >> nim;
        if (daftar.checkGender(nim) == 'L') total_L++;
        else if (daftar.checkGender(nim) == 'P') total_P++;
        ipk_sum += daftar.checkIPK(nim);
        paralel_size++;
    }

    avg_ipk = ipk_sum/paralel_size;

    cout << setprecision(2) << fixed;
    cout << total_L << " " << total_P << endl;
    cout << avg_ipk << endl;

    return 0;
}