bluegod

# Scanline-fill <James.Lopez at bluegod.net>
# GPLv2 License

# I've based this method on:
# http://en.wikipedia.org/wiki/Flood_fill#Scanline_fill
# Seems the most efficient way as alternatives:
# Recursion: Stack overflow problem
# Pixel by pixel: at least 1 order of magnitude less efficient.
#
# https://github.com/bluegod/scanlinefill

bluegod

#!/bin/sh
# Backron - Full and incremental backup script
# Based on a script by Daniel O'Callaghan <danny@freebsd.org>
# Done by James López (BLuEGoD) <bluegod at bluegod.net>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#

bluegod

#One line (command line) solution in Ruby to the Lattice paths problem for a configurable 20x20 frame.
echo "r=20;n=r+20; ((0...r).inject(1) do |m,i| (m * (n - i)) / (i + 1) end)" | irb