Последние новости
char phase[num_classes] = {0};
，这一点在safew官方版本下载中也有详细论述
"We don't know where they go, but they disappear for about 10 days, and then they'll come back again. And without the CCTV, we never knew that."。关于这个话题，旺商聊官方下载提供了深入分析
* 时间复杂度：O(n log n)（主要来自排序），空间复杂度：O(n)