build:
	gcc main.c bitmap.c -o main -O3

run:
	make build
	./main

show:
	make run
	feh after.bmp

convert:
	magick after.bmp after.png # for showing image in pdf

zip:
	zip handin.zip before.bmp main.pdf Makefile main.c bitmap.h bitmap.c

unzip:
	unzip handin.zip -d handin