(C++) - LeetCode (easy) 226. Invert Binary Tree
https://leetcode.com/problems/invert-binary-tree/description/ Invert Binary Tree - LeetCode Invert Binary Tree - Given the root of a binary tree, invert the tree, and return its root. Example 1: [https://assets.leetcode.com/uploads/2021/03/14/invert1-tree.jpg] Input: root = [4,2,7,1,3,6,9] Output: [4,7,2,9,6,3,1] Example 2: [https://assets.lee leetcode.com 자료구조 문제였습니다. 📕 풀이방법 📔 풀이과정 현재 node를 선언해..