这样的结果确实让我备受打击。AI 给的暗示确实不对，但是为什么我会忽略一切显而易见的负面信号（初次科研、时间紧张、实验室没有相关发表记录），去相信 AI 的暗示呢？我不想把问题简单地归纳为「AI 不行」，于是我总结了两个原因：
const len = nums.length;
，详情可参考新收录的资料
Buffalo External SSD-PUT Stick (500 GB) for $70: Another SSD in a flash drive body, this drive hit 450 MB/s in my tests and offers shock protection for falls. There’s also a sliding USB-A, and it comes with a USB-C adapter. It is pretty chunky for a flash drive, so you may find it blocks adjacent ports. You can also get reasonably priced 1- and 2-TB versions of this drive.
// 易错点2：遍历结束后k仍0 → 栈是递增的，末尾数字更大，移除末尾k位