CFLAGS:=-Wall -Wextra -O3
LFLAGS:=-f
-BINARIES:=$(foreach num,$(shell seq -f '%02.0f' 1 16),$(num)a $(num)b)
+BINARIES:=$(filter-out 18a 18b 19a 19b,$(foreach num,$(shell seq -f '%02.0f' 1 20),$(num)a $(num)b))
-all: $(BINARIES)
+all:
clean:
$(RM) *.o a.out $(BINARIES)