note that the generated images should be reviewed and used with care, as they
（八）组织约架论战。因个人争端和利益冲突等原因，策划或组织网上论战骂战、线下约架，攻击竞争对手，挑起网络戾气，占用公共资源。
，详情可参考夫子
testSort(heapSort, "Heap", arr, N);
block: Writes wait until buffer space is available. Use when you trust the producer to await writes properly.