// ⚠️ 易错点4：循环条件写right = 0（会导致right-1越界），或把<=写成<（漏判相等的有序情况）
* 获取数字的第digit位（从右往左，0表示个位）
，更多细节参见Line官方版本下载
Col. Mike Fincke, pilot of the four-member SpaceX Crew-11, said in a statement released through NASA on Wednesday that he's "doing very well" and continuing the standard rehabilitation all astronauts undergo following their missions.
延续飞傲的 Hi-Fi 基因：继承飞傲深厚的声学底蕴，提供纯净的 3.5mm 有线耳机输出，满足你对高解析音质的挑剔追求。
* @param arr 待排序数组