Find First Palindromic String in the Array

class Solution {
public:
    string firstPalindrome(vector<string>& words) {
        int n=words.size();
        for(int i=0;i<n;i++)
        {
            int l=words[i].size();
            string a;
            for(int j=l-1;j>=0;j--)
            {
                a.append(1,words[i][j]);
            }
            // if(strcmp(words[i], a) == 0)
            if(words[i]==a)
                return a;
        }
        return "";
    }
};