You have a mistake in the last not of your formula. The opposite of d<=a is d>a,... | Hacker News

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		ball_of_lint on June 26, 2017 \| parent \| context \| favorite \| on: How to Interview Engineers You have a mistake in the last not of your formula. The opposite of d<=a is d>a, not a>d.

qb45 on June 27, 2017 [–]

This mistake could be made more "eyesoreous" and possibly avoided by naming the begin/end times b1, b2, e1, e2 instead of opaque letters. I would fire the OP for that alone :p

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