TARGET := $(MAKECMDGOALS)
CXX_FLAGS := -std=c++11

$(TARGET): force-clean
	g++ $(TARGET).cpp $(CXX_FLAGS) -o $(TARGET) && ./$(TARGET)

force-clean:
	\rm -f $(TARGET)


# given source file name: 100.cpp
# just enter `make 100` to build and run it
# if you have a lot of "single c++ file", it's your good friend!