Charities say the figures are likely to underestimate the true scale of the issue, as only those sleeping rough on one single night in the autumn are counted.
For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.
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«По данным оперативных служб, две ракеты пытались нанести атаку на Чувашию», — говорится в сообщении.
Фото: Артем Соболев / Коммерсантъ
Why is this a problem?