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重点领域突破，发展动能全面提升
。关于这个话题，快连下载-Letsvpn下载提供了深入分析
int i = 0, j = 0, k = left; // i:左数组指针, j:右数组指针, k:原数组指针
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.