From 7c60dee83b436e8e8a667bf9f191beced8de4fc3 Mon Sep 17 00:00:00 2001 From: Jack Sangdahl Date: Mon, 10 Mar 2025 00:36:13 -0600 Subject: chore: move cpp and rust code to directory --- other/invert_binary_tree.cpp | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 other/invert_binary_tree.cpp (limited to 'other/invert_binary_tree.cpp') diff --git a/other/invert_binary_tree.cpp b/other/invert_binary_tree.cpp new file mode 100644 index 0000000..e8f0585 --- /dev/null +++ b/other/invert_binary_tree.cpp @@ -0,0 +1,26 @@ +// 226. Invert Binary Tree +#include "leetcode.h" + +// given 'root' of binary tree, invert the tree and return its root + +class Solution { +public: + TreeNode *invertTree(TreeNode *root) { + if (root == nullptr) + return root; + queue q; + q.push(root); + while (!q.empty()) { + TreeNode *node = q.front(); + q.pop(); + if (node->left != nullptr) + q.push(node->left); + if (node->right != nullptr) + q.push(node->right); + TreeNode *tmp = node->left; + node->left = node->right; + node->right = tmp; + } + return root; + } +}; -- cgit v1.2.3