每日一练【最大连续1的个数】

class Solution {
public:
    int longestOnes(vector<int>& nums, int k) {
        int left = 0,right = 0;
        int len = nums.size();
        int zero = 0;
        int max_len = 0;
        while(right < len)
        {
            if(nums[right] == 0)
            {
                zero++;
            }
            if(zero > k)
            {
                while(zero > k)
                {
                    if(nums[left++] == 0)
                    {
                        zero--;
                    }
                }
            }
            max_len = max(max_len,right-left+1);
            right++;
        }
        return max_len;
    }
};