实际题目往往需要先做一步转化（如循环数组、链表转数组、先排序再栈），再套上面模板即可。
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，详情可参考一键获取谷歌浏览器下载
* 核心：倒序遍历2倍长度 + 取模模拟循环 + 单调栈，解决「首尾相连」的更大值问题，详情可参考爱思助手下载最新版本
Access to affordable childcare remains a major constraint, and high income taxes and complex benefits can discourage people, especially second earners, from working more hours.
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