1 //无论分割点在何处,s2总是s1S1的子串 2 class ReverseEqual { 3 public: 4 bool checkReverseEqual(string s1, string s2) { 5 // write code here 6 int len1 = s1.length(); 7 int len2 = s2.length(); 8 if (len1 == len2 && len1 > 0) 9 { 10 string s1s1 = s1 + s1; 11 for(int i=0;i<len1;i++) 12 { 13 if (s1s1.substr(i, len2) == s2) 14 return true; 15 } 16 } 17 return false; 18 } 19 };