1. 建堆：将数组构建成大顶堆（父节点 = 子节点）
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Engadget’s own Sam Rutherford is on-site in San Francisco for the new hardware launch and will have hands-on impressions. We’ll follow that up with official reviews in the next week. But if you can’t wait for our final verdict, here’s how to pre-order Samsung’s Galaxy S26 phones and the Galaxy Buds 4 today.。业内人士推荐雷电模拟器官方版本下载作为进阶阅读
"Our internet-connected devices use a proprietary radio system, which links the alarms together," says Nick Rutter, co-founder and chief executive of FireAngel. The connected alarms can send push notifications to users' phones via their home internet router.