定存什么：要下标/距离就栈里存索引，只要值就存值或存索引再 nums[i] 取。
https://feedx.net。Line官方版本下载对此有专业解读
It's not just about CJ; it's about how much effort you put into making money. It is possible to earn a few dollars to a few thousand dollars，这一点在safew官方版本下载中也有详细论述
We cannot, and should not, expect users to know this.