#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 5e5;
int n, v[MAX_N + 1], sp[MAX_N + 1];
int sum( int l, int r ) {
if ( l > n )
l -= n;
if ( r > n )
r -= n;
if ( l > r )
return sp[n] - sp[l - 1] + sp[r];
return sp[r] - sp[l - 1];
}
int main() {
cin >> n;
for ( int i = 1; i <= n; i++ ) {
cin >> v[i];
sp[i] = sp[i - 1] + v[i];
}
int maxx = 0;
multiset<int> minn;
for ( int l = 0; l < (n + 1) / 2; l++ )
minn.insert( sum( 1 + l, 1 + l + (n + 1) / 2 - 1 ) );
for ( int i = 1; i <= n; i++ ) {
maxx = max( maxx, *minn.begin() );
int sin = sum( i + (n + 1) / 2, i + (n + 1) / 2 + (n + 1) / 2 - 1 );
int sout = sum( i, i + (n + 1) / 2 - 1 );
minn.insert( sin );
minn.erase( minn.lower_bound( sout ) );
}
cout << maxx;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2492 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2392 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
0 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2552 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2492 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2392 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
0 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2552 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 KB |
Output is correct |
19 |
Correct |
1 ms |
2648 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
2 ms |
2396 KB |
Output is correct |
23 |
Correct |
2 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
2 ms |
2392 KB |
Output is correct |
26 |
Correct |
2 ms |
2396 KB |
Output is correct |
27 |
Correct |
1 ms |
2396 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
2 ms |
2396 KB |
Output is correct |
31 |
Correct |
2 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
2 ms |
2396 KB |
Output is correct |
4 |
Correct |
32 ms |
4596 KB |
Output is correct |
5 |
Correct |
91 ms |
8404 KB |
Output is correct |
6 |
Correct |
121 ms |
10324 KB |
Output is correct |
7 |
Correct |
147 ms |
11964 KB |
Output is correct |
8 |
Correct |
275 ms |
18016 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2492 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2392 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
0 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2552 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 KB |
Output is correct |
19 |
Correct |
1 ms |
2648 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
2 ms |
2396 KB |
Output is correct |
23 |
Correct |
2 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
2 ms |
2392 KB |
Output is correct |
26 |
Correct |
2 ms |
2396 KB |
Output is correct |
27 |
Correct |
1 ms |
2396 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
2 ms |
2396 KB |
Output is correct |
31 |
Correct |
2 ms |
2396 KB |
Output is correct |
32 |
Correct |
1 ms |
2396 KB |
Output is correct |
33 |
Correct |
1 ms |
2396 KB |
Output is correct |
34 |
Correct |
2 ms |
2396 KB |
Output is correct |
35 |
Correct |
32 ms |
4596 KB |
Output is correct |
36 |
Correct |
91 ms |
8404 KB |
Output is correct |
37 |
Correct |
121 ms |
10324 KB |
Output is correct |
38 |
Correct |
147 ms |
11964 KB |
Output is correct |
39 |
Correct |
275 ms |
18016 KB |
Output is correct |
40 |
Correct |
4 ms |
2652 KB |
Output is correct |
41 |
Correct |
9 ms |
3032 KB |
Output is correct |
42 |
Correct |
13 ms |
3420 KB |
Output is correct |
43 |
Correct |
93 ms |
8528 KB |
Output is correct |
44 |
Correct |
256 ms |
18068 KB |
Output is correct |
45 |
Correct |
41 ms |
5468 KB |
Output is correct |
46 |
Correct |
156 ms |
11824 KB |
Output is correct |
47 |
Correct |
271 ms |
18248 KB |
Output is correct |
48 |
Correct |
227 ms |
18520 KB |
Output is correct |
49 |
Correct |
204 ms |
17656 KB |
Output is correct |
50 |
Correct |
197 ms |
17492 KB |
Output is correct |