"If you are worried about paying for your electricity or gas, help is available."
优势：时间复杂度O(d*(n+k))，d为位数，适合位数少的整数，详情可参考服务器推荐
，推荐阅读WPS下载最新地址获取更多信息
Friends of the Earth, a campaign group, said if all of those data centres came online, "they could consume more electricity each day than the entire country does now".。关于这个话题，快连下载安装提供了深入分析
union object_info *h = free_list[classno];