Merge branch 'develop' into main

README.md

@@ -1,3 +1,3 @@
 # Lab1_PhotoPlethysmoGraphy
 
-The basic implementation of PPG
+The best implementation of PPG

makefile

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+all: ppg
+	g++ ppg.o -o ppg.exe
+ppg: ppg.cpp
+	g++ -c ppg.cpp
+clean:
+	rm *.o
+	rm *.exe

ppg.cpp

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+#include <iostream>
+using namespace std;
+
+int main() {
+  cout << "Hello World!";
+  return 0;
+}