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siftDown(arr, i, 0); // 对剩余i个元素重新建堆
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It emerged this week that Zimbabwe had halted negotiations with the US for $350m (£258m) of health funding, saying the proposals risked undermining its sovereignty and independence.，详情可参考同城约会
Fincke has said he is currently "doing very well" and still participating in standard post-flight reconditioning at NASA's Johnson Space Center in Houston. "Spaceflight is an incredible privilege, and sometimes it reminds us just how human we are," he said. "Thank you for all your support."