* @param {string} num 非负整数的字符串形式（可能含前导零）
圖像來源，Getty Images
The grid lines on the visualization represent a tree structure underneath. Every region is a node. When a node splits, it creates four children. The root node covers the entire space. Leaf nodes (nodes with no children) hold the actual points.。51吃瓜对此有专业解读
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// Flush: finalize compression，推荐阅读同城约会获取更多信息
Thanks to the added level of customization, I was able to capture higher-quality photos that looked truer to life than those from the Instax Mini 12, Mini 41, and Mini Evo. Granted, the Mini 99 is an analog camera, not a hybrid like the Evo, so you shouldn’t buy it if you also want to print smartphone photos. The newer model is also less user-friendly than the Mini 12 and Mini 41, so I wouldn’t recommend it for young children. Still, for an advanced analog instant camera, it’s relatively easy to set up and use, rendering it as much fun for budding photographers as more experienced shooters.