#include <iostream>

#include <cstdlib>

#include <stdio.h>

#include <fstream>

using namespace std;
struct stydent {
  char F[30];
  char I[30];
  char O[30];
  char adress[20];
  char gruppa[20];
  int reiting;
};
void input(stydent * & mas, int n) {
  char * FIO[50];
  char * adress[20];
  char * gruppa[20];
  int reiting;
  mas = new stydent[n];
  for (int i = 0; i < n; i++) {
    flushall();
    cout << "Familiya: ";
    cin >> mas[i].F;
    cout << "Imya: ";
    cin >> mas[i].I;
    cout << "Otchestvo: ";
    cin >> mas[i].O;
    cout << " adress: ";
    cin >> mas[i].adress;
    cout << "gruppa: ";
    cin >> mas[i].gruppa;
    cout << "reiting: ";
    cin >> mas[i].reiting;
    cout << endl;
  }
}
void print(stydent * mas, int n) {
  for (int i = 0; i < n; i++) {
    cout << "Familiya: ";
    cout << mas[i].F << "\n";
    cout << "Imya: ";
    cout << mas[i].I << "\n";
    cout << "Otchestvo: ";
    cout << mas[i].O << "\n";
    cout << "adress: ";
    cout << mas[i].adress << "\n";
    cout << "gruppa: ";
    cout << mas[i].gruppa << "\n";
    cout << "reiting: ";
    cout << mas[i].reiting << "\n";
    cout << endl;
  }

}
void perstruct(stydent * & mas, int n) {
  ofstream f;
  f.open("D:\\stydent.txt");
  for (int i = 0; i < n; i++) {
    f << "Familiya: " << mas[i].F;
    f << "\n";
    f << "Imya: " << mas[i].I;
    f << "\n";
    f << "Otchestvo: " << mas[i].O;
    f << "\n";
    f << "adress: " << mas[i].adress;
    f << "\n";
    f << "gruppa:" << mas[i].gruppa;
    f << "\n";
    f << "reiting:" << mas[i].reiting;
    f << "\n";
  }
  f.close();
}
void add(stydent * & mas, int n, int k) {
  ofstream f;
  f.open("D:\\stydent.txt");
  stydent * mas2 = new stydent[n + 1];
  for (int i = 0; i < k; i++)
    mas2[i] = mas[i];
  cout << "Familiay: ";
  cin >> mas2[k].F;
  cout << "Imya: ";
  cin >> mas2[k].I;
  cout << "Otchestvo: ";
  cin >> mas2[k].O;
  cout << "adress: ";
  cin >> mas2[k].adress;
  cout << "gruppa: ";
  cin >> mas2[k].gruppa;
  cout << "reiting: ";
  cin >> mas2[k].reiting;
  cout << endl;
  for (int i = k + 1; i < n + 1; i++)
    mas2[i] = mas[i - 1];

  perstruct(mas2, n + 1);
  cout << "stydenti " << endl;
  print(mas2, n + 1);
  f.close();

}
void del(stydent * & mas, int n) {
  int k = 0;
  int m;
  ifstream f;
  f.open("D:\\stydent.txt", ios::out);
  cout << "Vvod reitinga: ";
  cin >> m;

  for (int i = 0; i < n; i++)
    if (mas[i].reiting < m)
      k++;
  stydent * mas1 = new stydent[n - k];
  int kol = 0;
  for (int i = 0; i < n; i++)
    if (mas[i].reiting >= m) {
      mas1[kol] = mas[i];
      kol++;
    }
  cout << " Ostavshiesya stydenti\n " << endl;
  perstruct(mas1, kol);
  print(mas1, kol);
  f.close();
}
int main() {
  int n, k;
  ofstream fp;
  fp.open("D:\\stydent.txt");
  if (!fp.is_open()) {
    cout << "Error\n";
  } else {
    cout << "Skolko stydentov? " << endl;
    cin >> n;
    stydent * mas;
    input(mas, n);
    perstruct(mas, n);
    cout << " stydent\n " << endl;
    print(mas, n);
    del(mas, n);
    cout << "Nomer stroki? " << endl;
    cin >> k;

    add(mas, n, k - 1);
    fp.close();
  }
  system("PAUSE");
  return 0;
}