문제
풀이
#include <algorithm>
#include <iostream>
using namespace std;
void solve(void) {
int n; cin >> n;
int ans = 0, cur = 0, f = -2;
for (int i=0; i<n; i++) {
int p; cin >> p;
if (p) cur++;
else if (i-f >= 2) f = i;
else cur = 0;
ans = max(ans, cur);
}
cout << ans;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}