Pestereva_Week20_Task1_1

#include <iostream>
#include <string>

using namespace std;

struct Students {
    string surname;
    string group;
    int progress[5];
};

Students set(string surname, string group, int progress[5]) {
    Students student = {};
    student.surname = surname;
    student.group = group;
    for (int i = 0; i < 5; ++i) {
        student.progress[i] = progress[i];
    }
    return student;
}

void print(Students* students, int size) {
    for (int i = 0; i < size; ++i) {
        cout << students[i].group << " " << students[i].surname << " ";
        for (int j = 0; j < 5; ++j) {
            cout << students[i].progress[j] << ", ";
        }
        cout << endl;
    }
    cout << endl << endl;
}

void printExellStudents(Students* students, int size) {
    cout << "The list of exellent students:" << endl;
    for (int i = 0; i < size; ++i) {
        int countExell = 0;
        for (int j = 0; j < 5; ++j) {
            if (students[i].progress[j] == 5)
                ++countExell;
        }
        double percentExell = countExell / 5.0;
        if (percentExell > 0.75) {
            cout << i << ". " << students[i].group << " " << students[i].surname << endl;
        }
    }
    cout << endl << endl;
}

void printQuartStudents(Students* students, int size) {
    cout << "The list of quartet students:" << endl;
    for (int i = 0; i < size; ++i) {
        int countDeuce = 0;
        for (int j = 0; j < 5; ++j) {
            if (students[i].progress[j] == 2 || students[i].progress[j] == 3)
                ++countDeuce;
        }
        double percentDeuce = countDeuce / 5.0;
        if (percentDeuce > 0.5) {
            cout << i << ". " << students[i].group << " " << students[i].surname << endl;
        }
    }
    cout << endl << endl;
}

Students* resizeStudents(Students* students, int size, int newSize) {
    Students* newStudents = new Students[newSize]{};
    for (int i = 0; i < size; ++i) {
        newStudents[i] = students[i];
    }
    for (int i = size; i < newSize; ++i) {
        cout << "Enter surname of student: ";
        cin >> newStudents[i].surname;
        cout << "Enter the group of the student: ";
        cin >> newStudents[i].group;
        cout << "Enter assessment of the student: ";
        cin >> newStudents[i].progress[0];
        for (int j = 1; j < 5; ++j) {
            cout << "Enter next assessment of the student: ";
            cin >> newStudents[i].progress[j];
        }
    }
    return newStudents;
}

int main()
{
    const int size = 6;
    Students ivanov = { "Ivanov", "IT-45", {3, 4, 3, 5, 3} };
    Students petrov = { "Petrov", "IT-45", {2, 5, 4, 3, 4} };
    Students popov = { "Popov", "IT-45", {5, 5, 4, 5, 5} };
    Students titov = { "Titov", "IT-45", {2, 2, 3, 4, 3} };
    Students kolotov = { "Kolotov", "IT-45", {5, 4, 4, 4, 5} };
    Students lapin = { "Lapin", "IT-45", {4, 5, 3, 2, 3} };
    Students students[size] = {};
    students[0] = ivanov;
    students[1] = petrov;
    students[2] = popov;
    students[3] = titov;
    students[4] = kolotov;
    students[5] = lapin;
    print(students, size);
    cout << "How much new elements you want add? Enter the number: ";
    int newElement;
    cin >> newElement;
    int newSize = size + newElement;
    Students* newStudents = resizeStudents(students, size, newSize);
    print(newStudents, newSize);
    printExellStudents(newStudents, newSize);
    printQuartStudents(newStudents, newSize);
    delete[] newStudents;
    return 0;
}