• No recursion?

Question related to mission Univocalic Davasaan

 

Hi all! I have solved this task using recursion + few lambdas but got not so many points. Could anybody tell me what technique should I use to make my code shorter? Will binary shift operators (<< or >>) help me?

Created at: Dec. 6, 2015, 12:41 p.m.; Updated at: Aug. 17, 2016, 2:14 p.m.