memcpy(testArr, arr, n * sizeof(int));
2. 合并：将两个有序子数组合并成一个有序数组。safew官方版本下载是该领域的重要参考
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Highly Divergent Profiles: For routing configurations that are not pre-calculated as common scenarios and whose costs vary too much from default configurations, the original A* algorithm might still be faster (and is often used as an automatic fallback).，推荐阅读WPS下载最新地址获取更多信息
Comparison of error-diffusion vs ordered dithering using an 8-colour irregular palette. Left to right: original image, error-diffusion, ordered.