參考資訊:
https://www.cnblogs.com/grandyang/p/14290994.html
題目:

解答:
int max(int a, int b)
{
return a > b ? a : b;
}
int longestOnes(int* nums, int numsSize, int k)
{
int r = 0;
int cnt = 0;
int left = 0;
int right = 0;
for (right = 0; right < numsSize; right++) {
if (nums[right] == 0) {
cnt += 1;
}
while (cnt > k) {
if (nums[left] == 0) {
cnt -= 1;
}
left += 1;
}
r = max(right - left + 1, r);
}
return r;
}