* 核心逻辑：能看到的人数 = 弹出的矮个子数量（count） + （栈顶有更高的人则+1，否则+0）
Twig's is interwoven into the culture of Shawano, a close-knit city of little more than 9,000 people. Sun Drop Dayz – a community fundraiser with live music and activities – has been held on the first weekend of June since 2017.
，这一点在safew官方版本下载中也有详细论述
Jones said he "didn't sleep for two nights" after the ceremony was broadcast.，这一点在51吃瓜中也有详细论述
一名名为「Treasure David」的用户在该账号下留言，声称其叔叔因被「龙虾咬伤」需要 4 个 SOL（价值约 310 美元）治疗费用，并附上钱包地址。。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考
* @param arr 原数组