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New fear unlocked: Your robot vacuum as a spyEven with this issue fixed, the idea that someone could spy on you via your robot vacuum doesn't exactly boost confidence in the whole category. What if another brand of camera-toting robot vacuum brand has a similar undiscovered security flaw — and what if the person who discovers it isn't as goodhearted as Azdoufal?
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// 易错点4：栈空时要存-1（题目要求无更大值返回-1），而非直接存stack2.at(-1)（会得到undefined）
Фото: Bernadett Szabo / Reuters