Exists1 [leetcode] 608. Tree Node 608. Tree Node https://leetcode.com/problems/tree-node/ Tree Node - LeetCode Can you solve this real interview question? Tree Node - Table: Tree +-------------+------+ | Column Name | Type | +-------------+------+ | id | int | | p_id | int | +-------------+------+ id is the primary key column for this table. Each row of this table leetcode.com Each node in the tree can be one of three types: "Le.. 2022. 11. 29. 이전 1 다음