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Diffstat (limited to 'challenge-112/abigail/ruby/ch-2.rb')
| -rw-r--r-- | challenge-112/abigail/ruby/ch-2.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/challenge-112/abigail/ruby/ch-2.rb b/challenge-112/abigail/ruby/ch-2.rb new file mode 100644 index 0000000000..003d99288f --- /dev/null +++ b/challenge-112/abigail/ruby/ch-2.rb @@ -0,0 +1,17 @@ +#!/usr/bin/ruby + +# +# See ../README.md +# + +# +# Run as: ruby ch-2.rb < input-file +# + +SQRT5 = Math . sqrt 5 +PHI = (1 + SQRT5) / 2 + +ARGF . each_line do + | n | + puts ((PHI ** (n . to_i + 1) / SQRT5) . round) +end |