Last active
February 2, 2016 14:57
-
-
Save oddlyfunctional/b22cb558c021bec5f0dc to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/ruby | |
| # https://www.hackerrank.com/contests/worldcodesprint/challenges/save-our-ship | |
| S = gets.strip | |
| wrong_letters = 0 | |
| SOS = "SOS" | |
| S.each_char.each_slice(3) do |sos| | |
| wrong_letters += sos.each_with_index.select { |char, i| char != SOS[i] }.length | |
| end | |
| puts wrong_letters |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment