1004. Max Consecutive Ones III最大连续1的个数 III

网址：https://leetcode.com/problems/max-consecutive-ones-iii/

参考：https://leetcode.com/problems/max-consecutive-ones-iii/discuss/247564/JavaC%2B%2BPython-Sliding-Window

sliding window
K -= (A[j] == 0);
注意判断条件

 1 class Solution {
 2 public:
 3     int longestOnes(vector<int>& A, int K) {
 4         int i = 0;
 5         int ans = 0;
 6         for(int j = 0; j<A.size(); j++)
 7         {
 8             K -= (A[j] == 0);
 9             if(K < 0)
10             {
11                 K += (A[i] == 0);
12                 i++;
13             }
14             ans = j - i + 1;
15         }
16         return ans;
17     }
18 };