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#include 
#include 
using namespace std;

 int main( )
{
	 std::ofstream outfile("c:/test.txt", std::ios::app);
	if(outfile)
	{
		std::cout << "Bienvenu sur c.\n";
		outfile << "Ajout d'un nouvelle ligne.\n";
		outfile << "Au revoir.\n ";
		outfile.close( );
	}

	return 0;
}