Mr Lemmens explained that the "re-entry of human-made objects into Earth's atmosphere occurs quite frequently". He said it happens weekly for bigger spacecraft and daily for smaller ones.
swap(&arr[0], &arr[i]); // 堆顶(最大)换到末尾
，更多细节参见Line官方版本下载
// 步骤2：初始化结果数组，默认值为0（后续无需再处理"无更大值"的情况）
第二十条 国务院核工业主管部门负责组织编制核燃料循环中长期发展专项规划，统筹核燃料生产能力和布局。