chore: Add course material

2026-10-05 11:27:21 +02:00
parent 971813c351
commit e8241fd1ff
660 changed files with 26658 additions and 1 deletions
@@ -0,0 +1,12 @@
+
+#ifndef OBSERVER_H
+#define OBSERVER_H
+
+#include "Subject.h"
+
+class Observer {
+  public:
+    virtual void update(const Hint &) = 0;
+};
+
+#endif