2023年4月27日
leetcode 608 樹節點
摘要： 樹節點 select id, 'Root' as Type from tree where p_id is null union select id, 'Inner' as Type from tree where id in ( select distinct p_id from tree whe 阅读全文
posted @ 2023-04-27 10:31 Carl_ZhangJH 阅读(16) 评论(0) 推荐(0)