lizncu

Java

class Solution {
  public int balancedStringSplit(String s) {
    int flag = 0;
    int ans = 0;

    for (int i = 0; i < s.length(); i++) {
      if (s.charAt(i) == 'L') {
        flag++;
      } else {
        flag--;
      }

      if (flag == 0) {
        ans++;
      }
    }

    return ans;
  }
}