人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
// 条件解读：栈非空 + 栈顶当前数 + 还有删除名额 → 弹出栈顶（移除大数）
。safew官方版本下载对此有专业解读
stack.pop(); // 弹出无效元素。heLLoword翻译官方下载是该领域的重要参考
Part of the explanation for why so few users will need to verify their age is that Discord already uses an internal "age determination" system that looks at "how long your account has existed, whether you have a payment method on file, what types of servers you're in, and general patterns of account activity."