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De par sa définition, une variance égale à 0 est impossible1. Vrai2. Faux
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- // 这个问题在面试中不会让实现完整程序 // 只需要举出能够最坏情况的数据是 [1,1,1,1... 1] 里有一个0即可。 // 在这种情况下是无法使用二分法的,复杂度是O(n) // 因此写个for循环最坏也是O(n),那就写个for循环就好了 // 如果你觉得,不是每个情况都是最坏情况,你想用二分法解决不是最坏情况的情况,那你就写一个二分吧。 // 反正面试考的不是你在这个题上会不会用二分法。这个题的考点是你想不想得到最坏情况。