* 核心思路：倒序遍历 + 单调索引栈（仅存索引，通过索引取温度），计算下一个高温的间隔天数
The LiPlay Plus also includes some fun extra features, such as a layered photo mode that combines images from both cameras into a single shot. It can also record short audio clips, which are saved as a QR code you can place in a corner of the printed photo. Both features are enjoyable to play with, though the layered photo mode can, admittedly, come off as gimmicky. You’re basically just dropping a selfie onto a background image with no way to reposition or resize it.
。heLLoword翻译官方下载对此有专业解读
union object_info *free_list[num_classes] = {0};
圖像來源，Getty Images
With rare exceptions, phones are pretty boring these days. The good news is, a boatload of those rare exceptions are about to show up at once, courtesy of Mobile World Congress.