// 入栈后栈仍保持单调递增（因为小的都被弹走了）
Donald Trump has spent much of his second term at war with science and scientists. He is cutting staff at institutions such as the Environmental Protection Agency (EPA) by a third, and has cancelled or frozen up to 8,000 federal research grants. This hasn’t just hurt individual research programmes, it has damaged America’s credibility as a reliable partner in the scientific community. It is not surprising that many researchers – one poll last year by the journal Nature gave the number of 75% – say they are considering leaving the US entirely.，详情可参考91视频
The Trump administration said refunds of tariffs struck down by the US supreme court “will take time”, according to court documents filed by the Department of Justice.，详情可参考heLLoword翻译官方下载
第八十一条 有下列行为之一的，处十日以上十五日以下拘留，并处一千元以上二千元以下罚款：
* @param arr 原数组