first commit

Makefile

@@ -0,0 +1,15 @@
+CXX = g++
+CXXFLAGS = -std=c++17 -Wall -pthread
+TARGET = backend
+SRCS = backend.cpp
+
+all: $(TARGET)
+	./$(TARGET)
+
+$(TARGET): $(SRCS)
+	$(CXX) $(CXXFLAGS) -o $(TARGET) $(SRCS)
+
+clean:
+	rm -f $(TARGET)
+
+.PHONY: all clean