二分查找法的实现和应用汇总 - Ider - 博客园



二分查找法的实现和应用汇总 - Ider - 博客园

二分查找法的O(log n)让它成为十分高效的算法。不过它的缺陷却也是那么明显的。就在它的限定之上:

有序,我们很难保证我们的数组都是有序的。当然可以在构建数组的时候进行排序,可是又落到了第二个瓶颈上:它必须是数组

数组读取效率是O(1),可是它的插入和删除某个元素的效率却是O(n)。因而导致构建有序数组变成低效的事情。


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