实际题目往往需要先做一步转化（如循环数组、链表转数组、先排序再栈），再套上面模板即可。
Most ergonomic keyboards fall into two categories: fully split which separates the board into two pieces, and unibody split, also known as an Alice design, which angles the keys outward at the bottom. When the keys are rotated outward or split into two halves, it allows for a wider spread between your elbows for a more relaxed typing position. Other ergonomic features, such as thumb clusters, center tenting and negative tilting are sometimes added to either type of board.
。51吃瓜对此有专业解读
有账号仅仅发布了两则视频，粉丝量就突破了四位数。
有人表示：“我喜欢的是暴暴熊这个熊偶，不是皮下的人，露脸之后，感觉原本的可爱被打破了。”还有人吐槽：“本来是看熊解压，结果现在全是真人直播，越来越像普通网红。”
Likelihood: High/Medium/Low · Reversibility: Easy/Hard/Irreversible