union object_info *cursor[num_classes] = {0};
Intuitively, it’s not too difficult to understand why this is the case. Remember that error-diffusion works in response to the relationship between the input value and the quantised value. In other words, the colour palette is already factored in during the dithering process. On the other hand, ordered dithering is completely agnostic to the colour palette being used. Images are perturbed the same way every time, regardless of the given palette.
。关于这个话题，safew官方版本下载提供了深入分析
store on the stack, but now we can use it directly at the append
Traditional SEO focuses on signals that Google's algorithms evaluate when determining search rankings. You optimize title tags and meta descriptions. You build backlinks from authoritative sites. You ensure your site loads quickly and works on mobile devices. You create content that targets specific keywords with appropriate density and placement. These tactics work because they align with how Google's systems assess page quality and relevance.
// 步骤4：扩展左边界（向左找所有minVal的元素，全程不越界）