kern.ipc.maxsockbuf=16777216
https://feedx.net
stack.pop(); // 弹出无效候选值，详情可参考新收录的资料
The government’s goal is clear: achieve stable prices by removing gas from the grid. Britain’s electricity market uses a marginal pricing system, which means that the price paid for all electricity at any moment is set by the most expensive source needed to meet demand. Even though gas produces only about a quarter of our electricity, it sets the price around 85% of the time. That means even when renewables are generating most of the country’s power, your bill doesn’t reflect the cost of solar or wind. And because gas is a global commodity with the price set by the international market, the closing of the Strait of Hormuz translates into rising electricity bills in Hull – even as the horizon grows thick with wind turbines and the share of clean power on the grid grows every year.，这一点在新收录的资料中也有详细论述
siftDown(arr, i, 0); // 对剩余i个元素重新建堆
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