time.sleep(2 ** attempt) # 指数退避
Node.js already had its own streaming API at the time that was ported to also work in browsers, but WHATWG chose not to use it as a starting point given that it is chartered to only consider the needs of Web browsers. Server-side runtimes only adopted Web streams later, after Cloudflare Workers and Deno each emerged with first-class Web streams support and cross-runtime compatibility became a priority.
swap(&arr[0], &arr[i]); // 堆顶(最大)换到末尾,更多细节参见服务器推荐
* @return {number[]} 每个位置的人能看到的右侧人数
,更多细节参见im钱包官方下载
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