#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <time.h>

using namespace std;

int main()
{
    srand (time(NULL));
    ofstream gen;
    gen.open ("brojevi.txt");
    for (int i = 0; i < 50; i++)
    {
    gen << rand () % 899999 + 100000;
    gen << " ";
    }
    return 0;
}

/////////////////////////////////////////////////////////////////////
int main()
{
    ifstream ulaz;
    ulaz.open("kljucevi.dat");

    int polje[100];
    int i = 0;
    while(ulaz >> polje[i])
        i++;

    for(int i=0; i<50; i++)
        cout<<polje[i]<<endl;

    return 0;
}
#include <iostream>
#include <fstream>
#include <iomanip>
#include <stdlib.h>
#include <time.h>

using namespace std;

int main()
{
    int kljuc[50];
    ofstream izlaz;
    izlaz.open("kljucevi.dat");

    for(int i=0; i<50; i++)
    {
        kljuc[i]=rand() % 999999 + 100000;

        izlaz<<kljuc[i]<<" ";
    }
}

-------------------------------------------------------------------------

#include <iostream>
#include <fstream>

using namespace std;

int a[100];

int main()
{
ifstream ul;
ul.open("brojevi.txt");

for (int i = 0; i < 50; i++ )
{
    ul >> a[i];
    cout << a[i];
    cout << " ";
}
 return 0;
}


------------------------------------------------------------------------