[LeetCode] Invert Binary Tree 翻轉二叉樹
Invert a binary tree.
// Recursion class Solution { public: TreeNode* invertTree(TreeNode* root) { if (!root) return NULL; TreeNode *tmp = root->left; root->left = invertTree(root->right); root->right = invertTree(tmp); return root; } };
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Invert a binary tree. // Recursion class Solution { public: TreeNode* invertTree(TreeNode* root) { if (!root) return NULL;
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