The ant stack doesn't need to be a consecutive subsequence of the weight list. We may pick any subset of the ants for our tower -- but they just must remain in the same relative order as in the original list.
As Luke mentioned: 1 2 3 1 2 3 4 is the valid answer. -- You received this message because you are subscribed to the Google Groups "Google Code Jam" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-code+unsubscr...@googlegroups.com. To post to this group, send email to google-code@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-code/eaab794c-aa7f-43de-95a4-55d9e18074fd%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.