HelixSpiral

# Copyright (c) 2013 Shawn Smith <[email protected]>
#
# 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 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

HelixSpiral

#!/usr/bin/env ruby
# Author: Shawn Smith
# Purpose: Do nins math work
# Problem: How many integers between 1500 and 8000 (inclusive) contain no repeated digits?

total = 0

for x in 1500..8000 do
	number = x.to_s

HelixSpiral

Keybase proof

I hereby claim:

• I am helixspiral on github.
• I am shawn (https://keybase.io/shawn) on keybase.
• I have a public key ASDTH57Dxc__WY96zkYSWwuMhVpMc8_L-qY9HsJOpynn5go

To claim this, I am signing this object: