Leetcode - Split a String in Balanced Strings

class Solution {
public:
    int balancedStringSplit(string s) {
        string temp = "";
        int balance = 0;
        int answer = 0;
        for (int i = 0 ; i < s.size() ; i++){
            if (s[i] == 'L')
                balance++;
            else
                balance--;
            if (balance == 0)
                answer++;
        }
        return answer;
    }
};