"tengu_thinkback": false,
printf("=== 排序算法性能测试 (n=%d) ===\n", N);
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The pruned nodes (in red) represent entire regions of space that the algorithm never examines. The points inside those regions are never checked. Compare the "Nodes Visited" count to the total number of points. The quadtree is doing far less work than a brute-force scan.
However, one soft drinks firm in the Midwest is keeping old school tradition alive by continuing to sell its products in returnable glass bottles.
它们规模未必庞大，却共同构成中国自主游艇制造的产业底座：以研发为核心、以制造为根基，推动行业从“代工制造”走向“自主品牌”。