Contest Clarifications

Problem 1007 : 只有回边和树边吗？会不会出现交叉边？

只有回边和树边吗？会不会出现交叉边？
RT
UESTC_Medusa at 2013-08-10 14:18:27

RE:只有回边和树边吗？会不会出现交叉边？
应该是树边和非树边
暮雪晴岚 at 2013-08-10 14:35:56

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