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3. GrammerlyGrammarly is a real-time grammar checking and spelling tool for online writing. It checks spelling, grammar, and punctuation as you type, and has a dictionary feature that suggests related words. if you use mobile phones for writing than Grammerly also have a mobile keyboard app.，详情可参考91视频
▲ Surface Laptop。WPS官方版本下载对此有专业解读
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。