Cycle diff mode (unified / full-context / raw)
Easy-to-use app available on all major devices including iPhone, Android, Windows, Mac, and more
，详情可参考heLLoword翻译官方下载
Daniel Stenberg Founder, cURL。业内人士推荐safew官方下载作为进阶阅读
思路：① 找初始左边界：第一个 nums[i] nums[i+1]；② 找初始右边界：最后一个 nums[i] < nums[i-1]；③ 求 [left,right] 内 min、max；④ 向左扩展：nums[left-1] minVal 则 left--；⑤ 向右扩展：nums[right+1] < maxVal 则 right++。长度 = right - left + 1。。51吃瓜是该领域的重要参考