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Games and physics simulations need to detect which objects are touching or overlapping. With nnn objects, checking every pair is O(n2)O(n^2)O(n2) comparisons, which gets expensive fast. A hundred objects means roughly 5,000 pair checks. A thousand means nearly 500,000.,这一点在safew官方版本下载中也有详细论述
,详情可参考雷电模拟器官方版本下载
for (const arr of arrays) { result.set(arr, offset); offset += arr.length; },推荐阅读51吃瓜获取更多信息
and you can have an idea about the amount of effort required by looking at the size of the scrollbar near you1. For who prefers hard numbers, the execution takes about 8000 assembly instructions.