#include<bits/stdc++.h>
using namespace std;
const int N = 15e5 + 5;
int n, m, sum, a[N], b[N];
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin >> n;
for(int i = 1; i <= n; i++){
cin >> a[i];
a[i + n] = a[i + 2 * n] = a[i];
}
m = (n + 1) / 2;
sum = 0;
for(int i = 1; i <= 3 * n; i++){
sum += a[i];
if(i > m){
sum -= a[i - m];
}
b[i] = sum;
}
deque < int > q;
int ans = 0;
for(int i = 1; i <= 3 * n; i++){
while(!q.empty() && b[q.back()] >= b[i]){
q.pop_back();
}
q.push_back(i);
if(q.front() + m <= i){
q.pop_front();
}
ans = max(ans, b[q.front()]);
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
3 ms |
392 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
3 ms |
384 KB |
Output is correct |
18 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
3 ms |
392 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
3 ms |
384 KB |
Output is correct |
18 |
Correct |
3 ms |
384 KB |
Output is correct |
19 |
Correct |
3 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
3 ms |
512 KB |
Output is correct |
24 |
Correct |
3 ms |
512 KB |
Output is correct |
25 |
Correct |
3 ms |
512 KB |
Output is correct |
26 |
Correct |
4 ms |
512 KB |
Output is correct |
27 |
Correct |
3 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
3 ms |
512 KB |
Output is correct |
30 |
Correct |
3 ms |
512 KB |
Output is correct |
31 |
Correct |
4 ms |
444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
512 KB |
Output is correct |
4 |
Correct |
15 ms |
2744 KB |
Output is correct |
5 |
Correct |
31 ms |
6272 KB |
Output is correct |
6 |
Correct |
39 ms |
7800 KB |
Output is correct |
7 |
Correct |
47 ms |
9464 KB |
Output is correct |
8 |
Correct |
80 ms |
15352 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
3 ms |
392 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
3 ms |
384 KB |
Output is correct |
18 |
Correct |
3 ms |
384 KB |
Output is correct |
19 |
Correct |
3 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
3 ms |
512 KB |
Output is correct |
24 |
Correct |
3 ms |
512 KB |
Output is correct |
25 |
Correct |
3 ms |
512 KB |
Output is correct |
26 |
Correct |
4 ms |
512 KB |
Output is correct |
27 |
Correct |
3 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
3 ms |
512 KB |
Output is correct |
30 |
Correct |
3 ms |
512 KB |
Output is correct |
31 |
Correct |
4 ms |
444 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
4 ms |
512 KB |
Output is correct |
35 |
Correct |
15 ms |
2744 KB |
Output is correct |
36 |
Correct |
31 ms |
6272 KB |
Output is correct |
37 |
Correct |
39 ms |
7800 KB |
Output is correct |
38 |
Correct |
47 ms |
9464 KB |
Output is correct |
39 |
Correct |
80 ms |
15352 KB |
Output is correct |
40 |
Correct |
4 ms |
640 KB |
Output is correct |
41 |
Correct |
6 ms |
1024 KB |
Output is correct |
42 |
Correct |
7 ms |
1280 KB |
Output is correct |
43 |
Correct |
33 ms |
6468 KB |
Output is correct |
44 |
Correct |
78 ms |
15288 KB |
Output is correct |
45 |
Correct |
18 ms |
3328 KB |
Output is correct |
46 |
Correct |
53 ms |
9308 KB |
Output is correct |
47 |
Correct |
78 ms |
15224 KB |
Output is correct |
48 |
Correct |
78 ms |
15608 KB |
Output is correct |
49 |
Correct |
69 ms |
14716 KB |
Output is correct |
50 |
Correct |
63 ms |
14724 KB |
Output is correct |