Hand-coded — weights set analytically. This is a constructive proof that the architecture can represent addition, regardless of whether SGD would find it.
В России ответили на имитирующие высадку на Украине учения НАТО18:04
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场景：这就好比是一个空荡荡的剧院舞台。我们把它涂成了深灰色 (0x222222)，方便看清演员。
* @param arr 待排序数组
blending: “smooth bleeding”