Add simple source code.

Author: wcoder

.gitignore

@@ -0,0 +1 @@
+bin

helloworld.cpp

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+#include <vector>
+
+using namespace std;
+
+class HelloWorld
+{
+    public:
+        void Print(ostream& stream)
+        {
+            vector<string> msg {"Hello", "C++", "World", "from", "VS Code!"};
+
+            for (const string& word : msg)
+            {
+                stream << word << " ";
+            }
+        }
+};

main.cpp

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+#include <iostream>
+#include "helloworld.cpp"
+
+using namespace std;
+
+int main()
+{
+    HelloWorld hw;
+
+    hw.Print(cout);
+
+    cout << endl;
+}