Data update

Task/Generator-Exponential/Crystal/generator-exponential.cr

@@ -0,0 +1,20 @@
+require "big"
+
+def powers (power)
+  (0.to_big_i..).each.map {|n| n ** power }
+end
+
+def filtered (iter1, iter2)
+  next_skipped = iter2.next
+  iter1.reject { |n|
+    while (ns = next_skipped) && ns.is_a?(Number) && n > ns
+      next_skipped = iter2.next
+    end
+    n == next_skipped
+  }
+end
+
+squares = powers 2
+cubes = powers 3
+
+p filtered(squares, cubes).skip(20).first(10).to_a