union alloc_header *h;
While they fly around the far side of the Moon, the crew will have three hours dedicated to lunar observation - to gaze, take images and to study its geology, which will help plan and prepare for a future landing at the Moon's south pole.
，更多细节参见爱思助手下载最新版本
4. 从后向前遍历原数组，按count位置放入结果数组
// ⚠️ 易错点6：循环条件写成nums[left-1] = minVal（相等元素无需纳入无序区间）