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For 4 points, that is (1/2)3=1/8(1/2)^3 = 1/8(1/2)3=1/8, the same 12.5% we measured earlier. There is one such event for each of the NNN points, so we have NNN events each with probability 1/2N−11/2^{N-1}1/2N−1.，推荐阅读谷歌浏览器下载获取更多信息
，这一点在同城约会中也有详细论述
Acknowledgements
Раскрыта новая задумка Трампа против Ирана14:57。关于这个话题，搜狗输入法下载提供了深入分析
if (len === 0) return []; // 补充空数组边界，避免后续逻辑出错