1. 建堆：将数组构建成大顶堆（父节点 = 子节点）
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Prime Minister Sir Keir Starmer told BBC Breakfast it is part of an "ongoing battle" with platform providers on behalf of victims.
"We’ve done a lot to improve performance and consistency in Node streams, but there’s something uniquely powerful about starting from scratch. New streams’ approach embraces modern runtime realities without legacy baggage, and that opens the door to a simpler, performant and more coherent streams model."