// 逻辑：只要左侧元素最小值，说明该元素需纳入无序区间，左边界左移
Google unveiled a new batch of Android updates, including more Gemini-powered tools and improved scam detection features at Samsung’s Galaxy S26 launch on Wednesday.
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代码要点：倒序遍历，先算右侧再推左侧；栈内维护「右侧候选更大值」，单调递增（栈顶最小）。
Александра Качан (Редактор)