* @param arr 待排序数组
Charging speeds remain largely unchanged. The Galaxy S25 supports up to 25W wired charging, up to 15W wireless charging and 4.5W reverse wireless charging, and the Galaxy S26 stays in the same general range.
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仅仅半年以后，iPhone 5 发布，而这次 iPhone 有个大事件，丢掉了过去一英寸宽的接口，取而代之的是一个小得多的 Lighting 接口。，更多细节参见91视频
Not Equal: Every domino half in this space must have a completely different number of pips.