if (len === 0) return []; // 补充空数组边界，避免后续逻辑出错
void insertionSort(int arr[], int n) {
，详情可参考safew官方版本下载
Александра Качан (Редактор)
If you're an early adopter looking to try out AR glasses, it's hard to argue with the $299 price tag. For reference, Xreal recently launched a more affordable version of its glasses called the Xreal 1S, priced at $449.
prevFleetTime = currentTime; // 更新上一个车队的时间为当前时间