CC ?= clang
CFLAGS = -O0 -g -Wall -Wextra

.PHONY: all
all: day_1 day_2

clean:
	rm -rf *.o
	rm -rf day_1

%.o: %.c
	$(CC) $(CFLAGS) -c -o $@ $<

day_1: day_1.o
	$(CC) -o $@ $^
	./day_1 day_1.in

day_2: day_2.o
	$(CC) -o $@ $^
	./day_2 day_2.in