refactor 538

fishercoder1534 · fishercoder1534 · commit b269670a8205 · 2017-08-29T08:52:25.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_538.java b/src/main/java/com/fishercoder/solutions/_538.java
@@ -41,10 +41,8 @@ private int dfs(TreeNode root, int val) {
             if (root == null) {
                 return val;
             }
-            int right = dfs(root.right, val);
-            root.val += right;
-            int left = dfs(root.left, root.val);
-            return left;
+            root.val += dfs(root.right, val);
+            return dfs(root.left, root.val);
         }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -41,10 +41,8 @@ private int dfs(TreeNode root, int val) {`
`41`	`41`	`if (root == null) {`
`42`	`42`	`return val;`
`43`	`43`	`}`
`44`		`- int right = dfs(root.right, val);`
`45`		`- root.val += right;`
`46`		`- int left = dfs(root.left, root.val);`
`47`		`- return left;`
	`44`	`+ root.val += dfs(root.right, val);`
	`45`	`+ return dfs(root.left, root.val);`
`48`	`46`	`}`
`49`	`47`	`}`
`50`	`48`