本内容遵循CC 4.0 BY-SA版权协议 上一篇用LongAccumulator处理可以合并的统计样本。配置更新面对的是另一类问题：版本号、超时值和路由列表需要一起变化，读取者也希望拿到同一份状态。把这些字段装进不可变对象，再整体替换引用，能让更新边界更容易看清。

本内容遵循CC 4.0 BY-SA版权协议 这段代码是链表操作中的。 华为OD机试真题 新系统【数据中心最佳维护窗口】，提供C语言、Java、C++、Python、Go、JavaScript源码实现，并提供完整思路讲解，以及在线OJ模拟做题。华为OD机试真题 【数据中心最佳维护窗口】多语言题解。

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