// ⚠️ 易错点4：循环条件写right = 0（会导致right-1越界），或把<=写成<（漏判相等的有序情况）
代码里画了一个爱心形状的 2D 路径，然后给它一个厚度，它就变成了一个 3D 的爱心。
，这一点在同城约会中也有详细论述
12:51, 27 февраля 2026Экономика
"It seems that we're going back into the old first space race days of competition, which, from a scientific perspective, is a little bit disappointing and concerning," says Dr Barber.