this is the point used to solve the problem i proposed for 14 trees, and the reason why i postponed the answer of alternative answer for 13 trees because it used the same argument. That arrogant guy thought he got the answer before coming to the point, and strictly speaking his answer is not correct (answer with an extra assumption?). Since he said any questions for 14 trees or more are uninteresting (and now we know there are more questions to follow), and those crap about post doc, brah, brah, I surely won't give him any easy time. Eventually, he found out the point, and felt it amazing. Now I think it's the time to tell him it's a simple principle in painting that all parallel lines come to a point on the horizon. www.ddhw.com
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