imajinyun / leetcode-php

src/leetcode/BinaryTreeMaximumPathSum.php

Spacing +2 added lines, -2 removed lines

@@ -18,7 +18,7 @@ 
 
     public static function maxPathSum2(TreeNode $root): int
     {
-        $helper = static function (TreeNode $node) {
+        $helper = static function(TreeNode $node) {
             [$order, $stack] = [[], [$node]];
             while ($stack) {
                 $top = array_pop($stack);
@@ -56,7 +56,7 @@ 
 
     private static function helper(?TreeNode $node, int &$max): int
     {
-        if (! $node) {
+        if (!$node) {
             return 0;
         }
         $left = max(0, self::helper($node->left, $max));