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The Department for Environment, Food & Rural Affairs (Defra) said "every household in England" would get weekly food waste collections from next month under new legislation, but 79 councils told the BBC they would not meet that deadline.
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Quadtrees aren't limited to point data. They can also partition regions of continuous data, like the pixels of an image.
const stack = []; // 存更大温度的索引栈（核心优化：仅存索引，替代对象）