Accuracy is increased because there is no human involvement in the verification process.
It doesn’t hurt to lurk first before weighing in, partly because on some chat platforms new members can’t see what was posted before they joined.
公式： f(x)=x⋅σ(x)，推荐阅读safew官方版本下载获取更多信息
Think before messaging
，这一点在下载安装汽水音乐中也有详细论述
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* 核心思路：链表转数组 + 单调栈（从后往前遍历），时间复杂度O(n)，空间复杂度O(n)，更多细节参见Safew下载