#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
int main() {
ios::sync_with_stdio(0); cin.tie(0);
int N;
cin >> N;
vector<int> a(N);
long long s = 0;
for (int &v: a) {
cin >> v;
s += v;
}
if (N <= 5000) {
long long res = 0;
for (int i = 0; i < N; i++) {
long long window = 0;
int len = N / 2;
for (int j = i+1; j < i + len + 1; j++) window += a[j % N];
long long curr = s - window;
for (int r = i + len + 1; r % N != i; r++) {
window += a[r % N];
window -= a[(r - len) % N];
curr = min(curr, s - window);
}
res = max(res, curr);
}
cout << res;
return 0;
}
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
320 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
320 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
324 KB |
Output is correct |
| 16 |
Correct |
2 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
320 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
320 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
324 KB |
Output is correct |
| 16 |
Correct |
2 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
2 ms |
212 KB |
Output is correct |
| 20 |
Correct |
8 ms |
212 KB |
Output is correct |
| 21 |
Correct |
4 ms |
212 KB |
Output is correct |
| 22 |
Correct |
64 ms |
340 KB |
Output is correct |
| 23 |
Correct |
185 ms |
340 KB |
Output is correct |
| 24 |
Correct |
64 ms |
328 KB |
Output is correct |
| 25 |
Correct |
185 ms |
384 KB |
Output is correct |
| 26 |
Correct |
195 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
175 ms |
340 KB |
Output is correct |
| 31 |
Correct |
180 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
2 ms |
212 KB |
Output is correct |
| 3 |
Correct |
175 ms |
340 KB |
Output is correct |
| 4 |
Incorrect |
6 ms |
980 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
320 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
320 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
324 KB |
Output is correct |
| 16 |
Correct |
2 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
2 ms |
212 KB |
Output is correct |
| 20 |
Correct |
8 ms |
212 KB |
Output is correct |
| 21 |
Correct |
4 ms |
212 KB |
Output is correct |
| 22 |
Correct |
64 ms |
340 KB |
Output is correct |
| 23 |
Correct |
185 ms |
340 KB |
Output is correct |
| 24 |
Correct |
64 ms |
328 KB |
Output is correct |
| 25 |
Correct |
185 ms |
384 KB |
Output is correct |
| 26 |
Correct |
195 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
175 ms |
340 KB |
Output is correct |
| 31 |
Correct |
180 ms |
332 KB |
Output is correct |
| 32 |
Correct |
1 ms |
212 KB |
Output is correct |
| 33 |
Correct |
2 ms |
212 KB |
Output is correct |
| 34 |
Correct |
175 ms |
340 KB |
Output is correct |
| 35 |
Incorrect |
6 ms |
980 KB |
Output isn't correct |
| 36 |
Halted |
0 ms |
0 KB |
- |
