1
var balancedStringSplit = function (s) {
2
  let r_count = 0;
3
  let l_count = 0;
4
  let ans = 0;
5
  for (let i = 0; i < s.length; i++) {
6
    if (s[i] === "R") r_count++;
7
    else l_count++;
8

9
    if (l_count == r_count) {
10
      l_count = 0;
11
      r_count = 0;
12
      ans++;
13
    }
14
  }
15
  return ans;
16
};