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SelectWhat's included
。业内人士推荐搜狗输入法下载作为进阶阅读
fleetCount++; // 新车队，计数+1，这一点在同城约会中也有详细论述
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.