// ⚠️ 易错点2：循环条件写left <= n-1（会导致left+1越界），或把<=写成<（漏判相等的有序情况）
但要理解这里面的差异和进步，我们要先弄懂那些少则三五块、多则几十块的「防窥膜」是怎么实现防窥的。。关于这个话题，同城约会提供了深入分析
Natural neighbour interpolation has a number of strengths over linear barycentric interpolation. Namely, it provides a smooth or continuous slope between samples3, and is always the same for a given point set, unlike the TIN where the quality of the triangulation can produce biases in the outcome, even in the best case.。safew官方版本下载对此有专业解读
Blue: Person in common