Cash handling is fraught with peril. Bills are fairly small and easy to hide,
第五条 在中华人民共和国领域内发生的违反治安管理行为，除法律有特别规定的外，适用本法。，更多细节参见夫子
swap(&arr[low], &arr[j]);，推荐阅读服务器推荐获取更多信息
[&:first-child]:overflow-hidden [&:first-child]:max-h-full"
identity function for slices that are already allocated in the heap.