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Author: wuduhren

problems/delete-duplicate-folders-in-system.py

@@ -1,20 +1,18 @@
-from sortedcontainers import SortedDict
-
 class Node(object):
     def __init__(self, val):
         self.val = val
         self.key = None
-        self.children = SortedDict()
-        
-        
+        self.children = {}
+
+
 class Solution(object):
     def deleteDuplicateFolder(self, paths):
         def setKey(node):
             if not node.children:
                 node.key = node.val
             else:
                 node.key = ''
-                for c in node.children:
+                for c in sorted(node.children.keys()):
                     setKey(node.children[c])
                     node.key += node.children[c].val + '|' + node.children[c].key + '|'