func process4(c chan task, lengthGuess int) {
Range queries ask "what's inside this box?" But sometimes the question is "what's nearest to this location?" This is the nearest neighbor problem, and you don't know how big your search radius should be. The nearest point might be right next to you or far away.
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过半行业研发人员均值下降，扩张退潮
It was not immediately clear what caused the crash, but some witnesses said the weather at the time was treacherous.
His business, which he co-founded with colleague Bert de Wit, advises companies on their brand identity and packaging.