Restructure project directories

test/makefile

@@ -0,0 +1,16 @@
+CC = g++
+CFLAGS = -std=c++17 -Wall
+
+CPPS = $(wildcard *.cpp)
+EXES = $(patsubst %.cpp, %.out, $(CPPS))
+
+.PHONY: all clean
+
+%.out: %.cpp
+	$(CC) $(CFLAGS) $< -o $@
+
+all: $(EXES)
+
+clean:
+	-rm *.o
+	-rm *.out