摘要: My first solution: 1. find lowest common ancestor of start and dest. 2. find path's length from LCA to start 3. find path from LCA to dest. 4. Combine 阅读全文
posted @ 2022-03-12 11:05 阳光明媚的菲越 阅读(65) 评论(0) 推荐(0) 编辑