File 1

#include <iostream>
#include <fstream>

using namespace std;

int main() {
    char file1[20], file2[20], ch;
    long i, n;
    system("cls");

    // Taking the name of the file as input

    cout << "Enter the input file name: ";
    cin >> file1;
    cout << "Enter the output file name: ";
    cin >> file2;

    ifstream fp1;
    ofstream fp2;

    // Opening the file
    fp1.open(file1, ios::binary);
    fp2.open(file2, ios::binary);

    // Moving the file object to the end of the file
    fp1.seekg(0, ios::end);

    // To get the last byte position
    n = fp1.tellg();

    // Moving file object to the begining of the
    // file
    fp1.seekg(0, ios::beg);

    // To copy data from the input file to the
    // output file
    for(i = 1; i <=n ; i++){
        ch = fp1.get();
        fp2.put(ch);
    }

    // Closing the files
    fp1.close();
    fp2.close();

    // Displaying the size of the file in bytes
    cout    << "\nFile copy is over, Number of bytes copied = "
            << n << endl;
    return 0;
}