描述：找出一个连续子数组，若对该子数组升序排序，则整个数组变为升序。返回符合题意的最短子数组长度。
;; import the memory from JS code，更多细节参见safew官方下载
（二）投放虚假的爆炸性、毒害性、放射性、腐蚀性物质或者传染病病原体等危险物质扰乱公共秩序的；，更多细节参见搜狗输入法2026
As of Feb. 27, the Jackery Explorer 300 is on sale at Amazon. This is an incredibly lightweight, portable power option from Jackery that is perfect for carrying with you on outdoor trips. And right now it's down to its best-ever price, just $189 (down from $259).