Ifstream, ofstream, va fstream

Javob:
Dastur kodi:
#include
#include
#include
#include
using namespace std;

int main()

{
ifstream input;
input.open("d:\\Mashq13_3.dat");
if(input.fail())
{
ofstream output("d:\\Mashq13_3.dat");
cout << "Fayl yaratildi\nDasturdan chiqish\n";
return 0;
}
input.close();
ofstream output("d:\\Mashq13_3.dat");
srand(time(0));

for(int i = 0; i < 100; i++)

{
output << rand() % 100 << " ";
}
output.close();
return 0;
}

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Dastur ishlagandan so’ng: