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→Clean up Challenge again
* Lecture video for Git: http://www.youtube.com/watch?v=JXusZR41Je0
=== Challenge! ===
Add the following methods to queue:* unsigned int size( ) and ;* int operator[](unsigned int index);: Note* Did you mean int&?
==== Challenge Answers ====
* Yun Yang's version is [https://www.blogger.com/blogger.g?blogID=8936735993141520040#editor/target=post;postID=5619335165204064832 here]! <- URL not working, is this a private blog??
