2108. Find First Palindromic String in the Array

class Solution {
public:
    string firstPalindrome(vector<string>& words) 
    {
        for(int i=0; i<words.size(); i++)
        {
            int j=0, k=words[i].size()-1, flag = false;
            while(j<k)
            {
                if(words[i][j]==words[i][k])
                    flag = true;
                else 
                {
                    flag = false;
                    break;
                }
                j++;
                k--;
            }
            if(flag == true || words[i].size()==1)    return words[i];
        }

        return {};
    }
};