[leecode每日一题]面试题 01.09. 字符串轮转

 它是转了一圈又回来了

object Solution {
    def isFlipedString(s1: String, s2: String): Boolean = {
        if(s1.length!=s2.length) false
        else if ((s2+s2).contains(s1)) true
        else false
    }
}