Roud then ventures a theory of his own: the custom, he argues, probably developed from a children’s game called Tig-touch-wood that was popular in early 19th century England.
Standard Digital
。Line官方版本下载对此有专业解读
输入：nums = [2,1,2,4,3]
* @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