Solved HPYNOS.

natansh · Oct 15, 2012 · acffbb3 · acffbb3
1 parent 0e5a279
commit acffbb3
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/HPYNOS/source.rb b/HPYNOS/source.rb
@@ -0,0 +1,18 @@
+n = gets.chomp.to_i
+
+cache = {}
+
+count = 0
+until n == 1 || cache.has_key?(n)
+  cache[n] = true
+  n = n.to_s.split('').map(&:to_i).inject(0) do |res, elem|
+    res += elem * elem
+  end
+  count += 1
+end
+
+if n == 1
+  puts count
+else
+  puts "-1"
+end