#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main() {
string data;
int columnnumber, rownumber;
cout<<"Enter Number of Rows ";
cin>>rownumber;
cout<<"Enter Number of Columns ";
cin>>columnnumber;
cin.ignore();
ofstream file("index.html");
if (file.is_open()) {
file << "<!DOCTYPE html> \n<html> \n<head> \n<style> \ntable {font-family: arial, sans-serif;
border-collapse: collapse; width: 100%; } \ntd, th
{ border: 1px solid #dddddd; text-align: left; padding: 8px; }\ntr:nth-child(even)
{ background-color: #dddddd; }\n</style>\n</head>\n<body>\n<h2>HTML Table</h2>\n<table>";
for (int i = 0; i < rownumber; i++) {
file << "\n<tr>";
for (int j = 0; j < columnnumber; j++) {
cout<<"Enter Your Data # [" << i+1 <<"][" <<j+1<<"] : ";
getline(cin, data);
if (i == 0) {
file << "\n <th>" << data << "</th>";
} else {
file << "\n <td>" << data << "</td>";
}
}
file << "\n</tr>";
}
file << "\n</table>\n</body>\n</html> ";
file.close();
cout << "\nData written successfully!\n";
} else {
cout << "Error opening file!\n";
}
return 0;
} 
HTML File Generated
<!DOCTYPE html>
<html>
<head>
<style>
table {font-family: arial, sans-serif; border-collapse: collapse; width: 100%; }
td, th { border: 1px solid #dddddd; text-align: left; padding: 8px; }
tr:nth-child(even) { background-color: #dddddd; }
</style>
</head>
<body>
<h2>HTML Table</h2>
<table>
<tr>
<th>Company</th>
<th>Contact</th>
<th>Country</th>
</tr>
<tr>
<td>Alfreds Futterkiste</td>
<td>Maria Anders</td>
<td>Germany</td>
</tr>
<tr>
<td>Centro Commercial Moctezuma</td>
<td>Fransisco Chang</td>
<td>Mexico</td>
</tr>
<tr>
<td>Ernst Handel</td>
<td>Ronald Mendel</td>
<td>Austria</td>
</tr>
<tr>
<td>Island Trading</td>
<td>Hellen Bernett</td>
<td>UK</td>
</tr>
<tr>
<td>Laughing Bacchus Winecellars</td>
<td>Yoshi Tannamuri</td>
<td>Canada</td>
</tr>
<tr>
<td>Magazzini Alimentari Riuniti</td>
<td>Giovanni Rovelli</td>
<td>Italy</td>
</tr>
</table>
</body>
</html>
