StudentStatsIPOCalcAverage/main.cpp

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

using namespace std;

void InputStudentInfo(vector<pair<string, double>> &students) {
    string name, gender;
    double score;
    cout << "<EFBFBD><EFBFBD>ϵͳֻ֧<EFBFBD>ְٷ<EFBFBD><EFBFBD>Ƴɼ<EFBFBD><EFBFBD><EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD>ּ<EFBFBD><EFBFBD><EFBFBD>"<<endl;
    cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>'end'<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룩: ";
    while (cin >> name >> gender >> score) {
        if (name != "end") {
            students.push_back(make_pair(name, score));
        } else {
            break;
        }
        cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>'end'<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룩: ";
    }
}

void CalculateAverageScore(const vector<pair<string, double>> &students, vector<double> &averages) {
    for (const auto &student : students) {
        if (student.second >= 60) {
            // <20>ٶ<EFBFBD><D9B6>Ա<EFBFBD>Ϊ'm'<27><>ʾ<EFBFBD><CABE><EFBFBD>ԣ<EFBFBD>'f'<27><>ʾŮ<CABE><C5AE>
            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 << "δ֪<EFBFBD>Ա<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>" << endl;
            }
        } else {
            cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>60<EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>" << endl;
        }
    }
}

void OutputAverageScore(const vector<double> &averages) {
    cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ: " << averages[0] / averages[1] << endl;
    cout << "Ů<EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ: " << averages[2] / averages[3] << endl;
}

void SaveToFile(const vector<double> &averages, const string &filename) {
    ofstream outfile(filename);
    outfile << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ: " << averages[0] / averages[1] << endl;
    outfile << "Ů<EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ: " << averages[2] / averages[3] << endl;
    outfile.close();
}

int main() {
    vector<pair<string, double>> students;
    vector<double> averages(4, 0); // <20>ֱ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD>֡<EFBFBD><D6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ů<EFBFBD><C5AE>ƽ<EFBFBD><C6BD><EFBFBD>֡<EFBFBD>Ů<EFBFBD><C5AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

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

    return 0;
}