I just found out leetcode-cn has different but better UI interaction compare to us. For instance, the solution tab in the problems are aggregated with official and user articles and displayed in the SPA manner. Just saying\nhttps://leetcode-cn.com/problems/two-sum/solution/\n![image](https://assets.leetcode.com/users/anonymous1127/image_1587576869.png)\n

I just found out leetcode-cn has different but better UI interaction compare to us. For instance, the solution tab in the problems are aggregated with official 