Update path-sum-iv.py

kamyu104 · web-flow · commit 252acb3c257a · 2017-08-29T22:42:21.000+08:00
diff --git a/Python/path-sum-iv.py b/Python/path-sum-iv.py
@@ -28,8 +28,7 @@ def isParent(self, other):
             child = Node(num)
             while not parent.isParent(child):
                 result += parent.val if parent.leaf else 0
-                parent = q[0]
-                q.popleft()
+                parent = q.popleft()
             parent.leaf = False
             child.val += parent.val
             q.append(child)
