typofix

Author: chronolaw

section1/oop.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2050 by Chrono
+// Copyright (c) 2020 by Chrono
 //
 // g++ oop.cpp -std=c++11 -o a.out;./a.out
 // g++ oop.cpp -std=c++14 -o a.out;./a.out