SUBDIRS=\
	day1cover \
	day1task1 \
	day1task2 \
	day1task3 \
	day2cover \
	day2task1 \
	day2task2 \
	day2task3

all:
	for a in $(SUBDIRS) ; do $(MAKE) -C $$a ; done

clean:
	for a in $(SUBDIRS) ; do $(MAKE) -C $$a clean ; done
