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）。
This story was originally featured on Fortune.com
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5. Synthesia: AI Avatar-Based Video CreationWhat Makes It Special: Synthesia has transformed video creation by making it possible to create professional-looking AI avatar videos in minutes. Its ability to generate natural-looking presentations in multiple languages with synchronized lip movements and gestures makes it invaluable for creators who need to produce video content at scale without the traditional filming process.
据悉，苹果不仅于 2025 年 3 月推迟了 Siri AI 功能的部分升级，其 CEO 库克也在两个月后公开承认，开发更具个性化的 Siri「所花的时间比我们预期的要长」。