1961. Check If String Is a Prefix of Array

class Solution {
public:
    bool isPrefixString(string s, vector<string>& words) {
        string temp;
        for(int i=0; i<words.size(); i++)
        {
            temp += words[i];
            if(temp==s)
            {
                return true;
            }

            if(temp.size()>=s.size())
            {
                break;
            }
        }

        return false;
    }
};