2019-09-18 10:14:10 -07:00

13 lines
272 B
C

struct TreeNode* invertTree(struct TreeNode* root){
struct TreeNode *tmp;
if(root == NULL)
return NULL;
tmp = root->left;
root->left = root->right;
root->right = tmp;
invertTree(root->left);
invertTree(root->right);
return root;
}