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Boggle 1 lab  grading scheme
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To grade, come up with a test board; make sure it contains some
'Qu'. Modify their getCustomBoard() to return your test board. Test
the same bunch of words for everybody; make sure you include words
that are barely on board, and that are barely not on board.  You
should be able to catch when somebody allows a die to be used more
than onc. 


													OBTAINED:

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Functionality:  50 
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take out points for 
- some words are on board and are not found 
- some words are not on board and are found 
- Qu causes troubles 



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Program structure:  20 
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- overall approach is sound 

- signature of isOnBoard() is exactly as required 

- the recursive isOnBoard() does not communicate through globals, but
  through parameters



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Style:      30 
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5    -header
10  -comments
5    -use constants
10  -easy to read and understand and verify overall correctness of the underlying logic


Extensions:  (extra credit)