class ErrorLogger
{
private:
static ErrorLogger instance;
ErrorLogger();
~ErrorLogger();
std:

fstream file;
const static char Filename[];
const static int MAXLINES=100;
static int LineCount;
public:
static void Writeln(const char text[]);
static void Writeln(double num);
static void Write(const char text[]);
static void Write(double num);
};