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Let’s assume iterator B is currently positioned on 50, and iterator A is positioned on 100. In order to determine if 100 is in B, we have to advance B to 10000 . This can be an expensive operation because advancing to the next match may require scanning several blocks containing values between 50 and 10000.,详情可参考新收录的资料
In fact, the Maxell robots seemed to be a pretty big problem, with one technician claiming they alone ate up a quarter of his time on the project. “The Maxell exhibit was much more involved than I had expected. When I wrote the original proposal, I had no idea that the exhibit would be animated.”,这一点在新收录的资料中也有详细论述
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