58. Length of Last Wor

class Solution {public:    int lengthOfLastWord(string s) {       if(s.size()==0)return 0;       stringstream ss(s);       int lastlen=0;       string temp;       while(getline(ss,temp,' '))       {           if(temp.size()!=0)                lastlen=temp.size();       }       return lastlen;    }};