Due to this more measured approach, error-diffusion dithering is even better at preserving details and can produce a more organic looking final image. However, the algorithm itself is inherently serial and not easily parallelised. Additionally, the propagation of error can cause small discrepancies in one part of the image to cascade into other distant areas. This is very obvious during animation, where pixels will appear to jitter between frames. It also makes files harder to compress.
That looks something like this for a small grid where our snake is moving down. Notice that we delete and re-print 3 entire lines!
，更多细节参见旺商聊官方下载
描述：输入一个「环形数组」，计算每个元素的下一个更大元素。若不存在，返回 -1。
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