#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

void InputStudentInfo(vector<pair<string, double>> &students) {
    string name, gender;
    double score;
    cout << "该系统只支持百分制成绩的平均分计算"<<endl;
    cout << "请输入学生的姓名、性别和分数（输入'end'结束输入）: ";
    while (cin >> name >> gender >> score) {
        if (name != "end") {
            students.push_back(make_pair(name, score));
        } else {
            break;
        }
        cout << "请继续输入学生的姓名、性别和分数（输入'end'结束输入）: ";
    }
}

void CalculateAverageScore(const vector<pair<string, double>> &students, vector<double> &averages) {
    for (const auto &student : students) {
        if (student.second >= 60) {
            // 假定性别为'm'表示男性，'f'表示女性
            if (student.first[0] == 'm') {
                averages[0] += student.second;
                averages[1]++;
            } else if (student.first[0] == 'f') {
                averages[2] += student.second;
                averages[3]++;
            } else {
                cout << "未知性别，跳过该学生。" << endl;
            }
        } else {
            cout << "分数低于60分，跳过该学生。" << endl;
        }
    }
}

void OutputAverageScore(const vector<double> &averages) {
    cout << "男性学生的平均分数为: " << averages[0] / averages[1] << endl;
    cout << "女性学生的平均分数为: " << averages[2] / averages[3] << endl;
}

void SaveToFile(const vector<double> &averages, const string &filename) {
    ofstream outfile(filename);
    outfile << "男性学生的平均分数为: " << averages[0] / averages[1] << endl;
    outfile << "女性学生的平均分数为: " << averages[2] / averages[3] << endl;
    outfile.close();
}

int main() {
    vector<pair<string, double>> students;
    vector<double> averages(4, 0); // 分别为男性平均分、男性人数、女性平均分、女性人数

    InputStudentInfo(students);
    CalculateAverageScore(students, averages);
    OutputAverageScore(averages);
    SaveToFile(averages, "student_stats.txt");

    return 0;
}