796. Rotate String
substrで切り取って、一文字目を足せば良いのか
class Solution { public: bool rotateString(string s, string goal) { int len = goal.size(); while(len--) { if(s == goal) { return true; } s = s.substr(1) + s[0]; } return false; } };
substrで切り取って、一文字目を足せば良いのか
class Solution { public: bool rotateString(string s, string goal) { int len = goal.size(); while(len--) { if(s == goal) { return true; } s = s.substr(1) + s[0]; } return false; } };