#include <stdio.h>
using namespace std;
const int c1 = -1;
#define PI 3.14
int x = 0;
static int n = 0;
struct s1 {
};
typedef s1* t1;
class MyClass
{
public:
MyClass();
~MyClass();
int myPublicVar;
private:
void myPrivateMethod();
int myPrivateVar;
protected:
void myProtectedMethod();
int myProtectedVar;
};