再后来，那条小巷的大多数人都搬走了。我们家是最先搬走的，把房子卖了，我在外地读了几年书，又到了教育资源更好的隔壁市。很久很久没再回到县城，我与当初的小伙伴失去了联系。有人搬去了市区，有人搬进了高楼，有人去了大城市，后来听说前院的阿姨去世了。
For SAT problems with 10 variables and 200 clauses, sometimes outputted UNSAT because it couldn't find any satisfying assignment, and it would take a lot more time to find one, which is logically sound. I don't consider this as bad reasoning as it is about performance. So I tried it with only 100 clauses and it successfully found valid assignments.。关于这个话题，51吃瓜提供了深入分析
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这是a16z在2月最新报告里揭示的一个反差。，更多细节参见搜狗输入法下载
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