Output: their sum as an integer
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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.
A new study published in the British Ecological Society's journal People & Nature has found that these historic buildings are providing vital homes for the nocturnal animals.
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04