free(leftArr); // 释放临时数组
输出：[4,2,4,-1,4]（最后一个 3 绕一圈找到 4）
，更多细节参见im钱包官方下载
Still, Ackerman said he was interested in learning more about the search terms that can trigger an alert, and whether the list accounts for common words and phrases teens use to avoid algorithmic detection of suicide discussion.
对扣押的物品，应当会同在场见证人和被扣押物品持有人查点清楚，当场开列清单一式二份，由调查人员、见证人和持有人签名或者盖章，一份交给持有人，另一份附卷备查。