Problem 1001 nm都大于等于1,那么n等于1的时候不是肯定有自环?

201316080235 | 2015-08-22 19:26:05Author
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admin | 2015-08-22 19:26:56# 1
201316080235 | 2015-08-22 19:28:22# 2
那n等于1的时候就是还要从1走到1才算满足题目描述?
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admin | 2015-08-22 19:29:03# 3
1一开始自动算走过