Makefile

   1 CFLAGS:=-Wall -Wextra -O3
   2 LFLAGS:=-f
   3
   4 BINARIES:=$(filter-out 19a 19b,$(foreach num,$(shell seq -f '%02.0f' 1 21),$(num)a $(num)b))
   5
   6 all: $(BINARIES)
   7
   8 clean:
   9         $(RM) *.o a.out $(BINARIES)
  10
  11 06b: LDLIBS+=-lgmp
  12
  13 run: $(addprefix run_,$(BINARIES))
  14
  15 run_12b: 12b
  16         ./12b < 12.txt | sort -u | wc -l
  17
  18 run_%a: %a
  19         ./$< < $*.txt
  20
  21 run_%b: %b
  22         ./$< < $*.txt