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authordms061 <dms7225@psu.edu>2021-05-16 18:47:40 -0400
committerdms061 <dms7225@psu.edu>2021-05-16 18:47:40 -0400
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Merge branch 'manwar:master' into challenge112
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+#!/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