Hurdle Word 3 hintPart of a flower.
But in 2022 summer sea ice in much of Antarctica dramatically shrank, falling from an average of 2.8m sq km to a record low of 1.79m sq km in 2023.
，更多细节参见雷电模拟器官方版本下载
The street is at severe risk of flooding from the Nant Clydach tributary
siftDown(arr, i, 0); // 对剩余i个元素重新建堆
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