78 1 (7)

#include <iostream>
#include <string>
#include <fstream>

using namespace std;

ifstream in("input.txt");
ofstream out("output.txt");
struct Student
{
    string firstName, surname, lastName;
    int yearOfBirdth;
    int mark[5];
    int sum = 0;

    void get()
    {
        in >> firstName >> surname >> lastName >> yearOfBirdth;
        for (int i = 0; i < 5; ++i)
        {
            in >> mark[i];
            sum += mark[i];
        }
    }
    void print()
    {
        out << firstName << ' ' << surname << ' '<< lastName << '\n' <<  yearOfBirdth << '\n';
        for (int i = 0; i < 5; ++i)
            out << mark[i] << ' ';
        out << '\n' << "sum :" << sum << "\n\n";
    }
};




const int MAXSIZE = 100;
int main()
{
    Student a[MAXSIZE];
    int n = 0;
    int group;
    in >> group;
    while (in.peek() != EOF)
    {
        a[n].get();
        n++;
    }
    for (int i = 0; i < n; ++i)
    {
        int idx = i;
        for (int j = i; j < n; ++j)
            if (a[j].sum < a[idx].sum)
                idx = j;
        Student cur = a[idx];
        a[idx] = a[i];
        a[i] = cur;
    }

    out << group << "\n\n";
    for (int i = 0; i < n; ++i)
        a[i].print();


    /*
    пример входного файла:
    181
    krisa V S
    2001
    2 2 2 2 2
    Ololosha D V
    2000
    5 5 5 5 5
    Akakij K A
    2002
    1 2 3 4 5
    */
}