圖像來源，BBC Chinese / Lok Lee
2. 排序：将堆顶(最大值)与末尾交换，堆大小-1，重新调整堆
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The industry hasn't quite embraced modular smartphones just yet, even though there have been some nifty concept designs. Google's Project Ara prototype goes back more than a decade, and the same can be said of other concept designs that never saw the light of day.
▲ Macintosh 电脑经典广告《1984》