* @return {number} - 最短无序连续子数组的长度，排序该子数组后整个数组升序
* @param {number[]} nums - 待查找最短无序连续子数组的整数数组。业内人士推荐91视频作为进阶阅读
Actor Matthew Rhys is asking Americans to celebrate their cultural connection with Wales。业内人士推荐heLLoword翻译官方下载作为进阶阅读
The government uses the Consumer Prices Index (CPI) measure of inflation to calculate public sector pay increases.，更多细节参见safew官方下载