Submission #340191

# Submission time Handle Problem Language Result Execution time Memory
340191 2020-12-27T09:17:34 Z blue Hacker (BOI15_hac) C++11
100 / 100
546 ms 18476 KB
#include <iostream>
#include <set>
using namespace std;

/*
For any starting position, the operator can force the hacker into any contiguous ceil(n/2) positions
containing that particular position.
*/

int main()
{
    int n;
    cin >> n;

    int v[n];
    int i, j;
    for(i = 0; i < n; i++) cin >> v[i];


    int a_size = n - (n/2);

    int w[n];
    w[0] = 0;
    for(j = 0; j < a_size; j++) w[0] += v[j];
    j--;
    for(i = 1; i < n; i++)
    {
        w[i] = w[i-1] + v[(i + a_size - 1) % n] - v[i-1];
    }

    multiset<int> S;
    for(j = 0; j < a_size; j++) S.insert(w[j]);
    j--;
    int res = *S.begin();
    for(i = 1; i < n; i++)
    {
        S.insert(w[(i + a_size - 1) % n]);
        S.erase(S.find(w[i-1]));
        res = max(res, *S.begin());
    }
    cout << res << '\n';
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 3 ms 364 KB Output is correct
23 Correct 4 ms 492 KB Output is correct
24 Correct 3 ms 364 KB Output is correct
25 Correct 4 ms 492 KB Output is correct
26 Correct 4 ms 492 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 4 ms 492 KB Output is correct
31 Correct 4 ms 492 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 4 ms 492 KB Output is correct
4 Correct 53 ms 3180 KB Output is correct
5 Correct 172 ms 7400 KB Output is correct
6 Correct 215 ms 9196 KB Output is correct
7 Correct 249 ms 11244 KB Output is correct
8 Correct 546 ms 18156 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 3 ms 364 KB Output is correct
23 Correct 4 ms 492 KB Output is correct
24 Correct 3 ms 364 KB Output is correct
25 Correct 4 ms 492 KB Output is correct
26 Correct 4 ms 492 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 4 ms 492 KB Output is correct
31 Correct 4 ms 492 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 4 ms 492 KB Output is correct
35 Correct 53 ms 3180 KB Output is correct
36 Correct 172 ms 7400 KB Output is correct
37 Correct 215 ms 9196 KB Output is correct
38 Correct 249 ms 11244 KB Output is correct
39 Correct 546 ms 18156 KB Output is correct
40 Correct 6 ms 640 KB Output is correct
41 Correct 13 ms 1004 KB Output is correct
42 Correct 19 ms 1388 KB Output is correct
43 Correct 184 ms 7512 KB Output is correct
44 Correct 468 ms 18148 KB Output is correct
45 Correct 271 ms 3820 KB Output is correct
46 Correct 241 ms 10988 KB Output is correct
47 Correct 539 ms 18384 KB Output is correct
48 Correct 361 ms 18476 KB Output is correct
49 Correct 283 ms 17608 KB Output is correct
50 Correct 280 ms 17516 KB Output is correct