We believe this designation would both be legally unsound and set a dangerous precedent for any American company that negotiates with the government.
2. 排序：将堆顶(最大值)与末尾交换，堆大小-1，重新调整堆
。关于这个话题，同城约会提供了深入分析
Tony Jolliffe BBC
sum of weights += candidate.weight