Dev - C++ - Arreglos unidimensionales Con las notas de tres estudiantes

#include <iostream>

using namespace std;

int main() {

  string alumnos[] = {"Hugo","Paco","Luis"};

  int i, h[4], p[4], l[4];

  float promedio[3];

  float suma=0;

  cout << "Notas de Hugo" << endl;

  for (i=0; i<4; i++) {

    cout << "Ingrese notas: ";

    cin >> h[i];

    suma = suma + h[i];

  }

  promedio[0] = suma / 4.0;

  suma=0;

  cout << "Notas de Paco" << endl;

  for (i=0; i<4; i++) {

    cout << "Ingrese notas: ";

    cin >> p[i];

    suma = suma + p[i];

  }

  promedio[1] = suma / 4.0;

  suma=0;

  cout << "Notas de Luis" << endl;

  for (i=0; i<4; i++) {

    cout << "Ingrese notas: ";

    cin >> l[i];

    suma = suma + l[i];

  }

  promedio[2] = suma / 4.0;

  cout << "\nPromedio Hugo: " << promedio[0] << endl;

  cout << "Promedio Paco: " << promedio[1] << endl;

  cout << "Promedio Luis: " << promedio[2] << endl;

  return 0;

}