Author: Unknown
Subject: Freeing storage followup
Date: Wednesday, 29 Apr 2020, 15:19:17

How is freeing storage required for satisfying the
requirement that Boggle

  * Store in the trie only those pointers corresponding to lower-case letters
    (worth at most 5 points).  Thus it uses random access rather than linear
    or binary search to reference a child trie given a letter.