Random Numbers and writing to a fileSolutionPlease find the

Random Numbers and writing to a file

Solution

Please find the required program along with its output. Please see the comments against each line to understand the step.

#include <fstream>
#include <iostream>
using namespace std;

int main ()
{
  
srand(time(NULL)); // Seed the time
char data[100];

ofstream outfile;
outfile.open(\"random.txt\"); // open the file random.txt in write mode.

for(int i=1; i<=100; i++) {
int randNum = rand()%(49-20)+20; // Generate a random number in the range 20-49
outfile << randNum << endl; // write the random number into the file.
}
  
cout << \"Writing to file completed!\ \" << endl;

outfile.close(); // close the opened file.

return 0;
}

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

OUTPUT:

sh-4.3$ main
Writing to file completed!
  
sh-4.3$ cat random.txt
22
34
45
32
31
30
42
38   
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