Add hello world

e054ffbf · Administrator · 87cf3171 · e054ffbf
Commit e054ffbf authored Nov 30, 2021 by Administrator
--- a/hello_world.cpp
+++ b/hello_world.cpp
+// Your First C++ Program
+
+#include <iostream>
+
+int main() {
+    std::cout << "Hello World!";
+    return 0;
+}