4 ms·
I am your fear: var invertTree = function(root) { if (!root) { return root; } var left = root.left; var right = root.right;
by TN1ck 11y ago
I am your fear:
var invertTree = function(root) {
if (!root) {
return root;
}
var left = root.left;
var right = root.right;
root.right = invertTree(left);
root.left = invertTree(right);
return root;
};