2 курс - Основы алгоритмизации _ вариант 3 / 14

#include <iostream>
#include <string>
#include <fstream>
#include <vector>
using namespace std;

struct student
    {
        string name;
        int kurs;
        float rating;
    };

void make_arr(student students[], int n);
void print_struct(student students[], int n);
void search_n(vector <string> search_names, int n);
void rating_s(student students[], int n);

int main(){
    setlocale(LC_ALL, "Russian");
    setlocale(LC_NUMERIC, "POSIX");

    cout << "Вариант №3" << endl;
    cout << "Лабораторная работа №14" << endl;

    int n = 15; // количество записей в файле
    student students[n];
    vector <string> search_names;
    
    make_arr(students, n);
    print_struct(students, n);
    search_n(search_names, n);
    rating_s(students, n);
    
    return 0;
}

void make_arr(student students[], int n){
    vector <string> str;
    vector <string> split_strings;
    string tmp;
    ifstream in("Input_14_lab.txt");
    for (int i = 0; i < n; i++){
        getline(in, tmp);
        str.push_back(tmp);
    }
    in.close();

    string s, temp;
    for (int k = 0; k < n; k++){
        s = str[k];
        // cout << s << endl;
        int i = 0;
        int begin = 0, end; 
        for (i = s.find(", ", i++); i != string::npos; i = s.find(", ", i + 1)){
            end = i;
            temp = s.substr(begin, end);
            begin = i + 2;
            split_strings.push_back(temp);
        }
        temp = s.substr(begin, -1);
        split_strings.push_back(temp);
    }

    int l = 0;
    for (int i = 0; i < split_strings.size(); i += 3){
        students[l].name = split_strings[i];
        students[l].kurs = 1;
        students[l].rating = stof(split_strings[i + 2]);
        l++;
    }
}

void search_n(vector <string> search_names, int n){
    string temp;
    vector <string> s_name {"Бейкер", "Канижа"};

    cout << endl;
    ifstream in("Input_14_lab.txt");
    for (int i = 0; i < n; i++){
        getline(in, temp);

        int k = 0;
        while (k < s_name.size()){
            if (temp.find(s_name[k]) == 0){
                cout << "Выполнен поиск по фамилии: " << s_name[k] << endl;
                cout << "Найдено: " << temp << endl;
                search_names.push_back(temp);
            }
            k++;
        }
    }
    in.close();

    ofstream fout;
    fout.open("Search.txt", std::ios::trunc);
    for (int i = 0; i < search_names.size(); i++){
        fout << search_names[i] << "\n";
    }
    fout.close();
}

void print_struct(student students[], int n){
    cout << endl;
    for (int i = 0; i < n; i++){
        cout << "Студент: " << students[i].name << ", курс - " << students[i].kurs << ", рейтинг - " << students[i].rating << endl;
    }
    cout << endl;
}

void rating_s(student students[], int n){
    float rating = 7.5;
    
    ofstream fout;
    fout.open("rating.txt", std::ios::trunc);
    
    for(int i = 0; i < n; i++){
        if (!(students[i].rating < rating)){
            fout << students[i].name << "," << students[i].rating << "\n";
        }
    }
    fout.close();
}