Created ppg.cpp and compiled it, resulting in ppg.o and a.out files.

ppg.cpp

@@ -0,0 +1,9 @@
+//C++
+
+#include <iostream>
+
+int main(){ 
+	//Print "PPG algorithm" to terminal
+	std::cout << "PPG algorithm"<< std::endl;
+	return 0;
+	}