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When shoes slide across a floor, wave-like deformations of the sole can generate squeaking. The pitch of the squeak depends on the rate at which deformations are generated.
。关于这个话题，服务器推荐提供了深入分析
* 时间复杂度：O(n log n)（主要来自排序），空间复杂度：O(n)，这一点在heLLoword翻译官方下载中也有详细论述
Andrew's mouse and keyboard play well together
The website offers a tooltip helper tool that allows