Flip String to Monotone Increasing.java

class Solution {
    public int minFlipsMonoIncr(String s) {
        int n = s.length();
        int zeroToOne =0;
        int countOfOnes=0;
        for(int i=0;i<n;i++)
        {
            if(s.charAt(i)=='0')
                zeroToOne=Math.min(zeroToOne+1,countOfOnes);
            else
                countOfOnes=countOfOnes+1;
        }
        return zeroToOne;
        
    }
}