带权有向无环图的最大路径（动态规划自下而上）

shengshijun · shengshijun · commit 754e8e12e4d8 · 2014-12-20T12:01:08.000+08:00
fix:去除多余的import
diff --git a/graph/weighted_graph.py b/graph/weighted_graph.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python
 # -*- coding:UTF-8
 from lib.queue import Queue
-from lib.set import Set
-from lib.stack import Stack
 
 __author__ = 'shenshijun'
 """
