problem 4

lilaboc · lilaboc · commit c2fd97552a08 · 2014-03-25T11:59:04.000+02:00
diff --git a/4.rb b/4.rb
@@ -0,0 +1,10 @@
+r = []
+999.downto(1) do |x|
+  999.downto(1) do |y|
+    s = (x * y).to_s
+    r << s.to_i  if s == s.reverse
+  end
+end
+p r.sort[-1]
+
+
