I need help figuring out how to print a block of \'O\'s to a file using nested l

Question

I need help figuring out how to print a block of 'O's to a file using nested loops. The user will input a filename and one integer to be set as the height and width. I have the write to file part down, just not the printing of the block. Here is my code so far:

#include <iostream>

#include <string>

#include <fstream>

#include <cstdlib>

using namespace std;

int main()

{

ofstream fout; // declare an output file stream

string file_name;

int hw;

cout << "Enter file name: ";

cin >> file_name;

fout.open(file_name.c_str(), ios::out); // open file file_name for output

if (!fout.is_open()){

cerr << "Unable to open file " << file_name << endl;

exit(10);}

cout << "Enter an integer greater than 1: ";

cin >> hw;

if (hw <= 1){

cerr << "Incorrect input" << endl;

exit(20);}

if (hw > 1){

// need to print block of 'O's

}

fout.close();

return 0;

}

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