Khan/khan-exercises — pull request #11976 by Freyert (2012-01-24 04:49:21+00:00)
Title: Made D2 = D1 since there was already a condition in the data-ensure loop...

... to check for it. And set the range that N2 could take to be 1 less than what N1 takes so that it should always assign them so that their sums are less than one or greater than 0.

Saw a massive reduction in data-ensure loops with these changes.