LeetCode Invert Binary Tree

LeetCode Invert Binary Tree

题目

思路

代码

[code]struct TreeNode* invertTree(struct TreeNode* root) {
    if (root == NULL) return root;
    invertTree(root->left);
    invertTree(root->right);
    struct TreeNode * temp = root->left;
    root->left = root->right;
    root->right = temp;
    return root;
}