class Solution {
public:
/**
* 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
*
*
* @param n int
* @param m int
* @param a intvector
* @return int
*/
int solve(int n, int m, vector<int>& a) {
int sum = 0,ans = 0,l = 0;
for(int i = 0; i < n; i++) {
if(a[i] == 0)
sum++;
while(sum > m) {
if(a[l] == 0)
sum--;
l++;
}
ans = max(ans,i - l + 1);
}
return ans;
}
};