static void oops(int s,siginfo_t *p,void *x){
All of the robovacs I've tested have announced out loud when they're in remote viewing mode. But not all robot vacuums provide that courtesy notification (the DJI Romo, for one, does not).
。safew官方版本下载是该领域的重要参考
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* 核心思路：找初始无序边界 + 计算区间最值 + 扩展边界
highWaterMark: 100,