题解 + Python/Java/C++/Go 代码：
- Q1 https://leetcode.cn/problems/stone-removal-game/solution/o1-shu-xue-gong-shi-pythonjavacgo-by-end-e4t2/
- Q2 https://leetcode.cn/problems/shift-distance-between-two-strings/solution/qian-zhui-he-on-zuo-fa-pythonjavacgo-by-b4hfx/
- Q3 https://leetcode.cn/problems/zero-array-transformation-iii/solution/tan-xin-zui-da-dui-chai-fen-shu-zu-pytho-35o6/
- Q4 https://leetcode.cn/problems/find-the-maximum-number-of-fruits-collected/solution/nao-jin-ji-zhuan-wan-wang-ge-tu-dppython-gjcm/
具体请看 视频讲解，欢迎点赞关注~