suggestions may not always be accurate or appropriate
Последние новости
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* 时间复杂度: O(n²) 空间复杂度: O(1) 稳定: ✗
Privilege violation or wrong type
Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.
· 李娜 · 来源：chart资讯