leetcode

0 class Solution {

1 public:

2 int maxScore(const string &s) const {

3 int res = 0, zero = 0, one = count(begin(s), end(s), '1');

4 for (int i = 0; i < size(s) - 1; i++) {

5 if (s[i] == '1')

6 one--;

7 else

8 zero++;

9 res = max(res, zero + one);

10 }

11 return res;

12 }

13 };