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Submission #563136

# Submission time Handle Problem Language Result Execution time Memory
563136 2022-05-16T11:08:06 Z four_specks Hacker (BOI15_hac) C++17
100 / 100
 413 ms 26372 KB 
#include <bits/stdc++.h>

using namespace std;

inline namespace
{
} // namespace

void solve(const int _test_ = -1)
{
    int n;
    cin >> n;

    int m = (n + 1) / 2;

    vector<long> v(n);
    for (long &x : v)
        cin >> x;

    vector w = v;
    for (int i = 0; i < m; i++)
        w.push_back(v[i]);

    long res = 0;

    multiset<long> ms;
    queue<long> q;
    long sum = 0;
    for (int i = n - m; i < n; i++)
        sum += w[i];
    for (int i = n - m; i < n; i++)
    {
        sum += w[i + m] - w[i];
        q.push(sum);
        ms.insert(sum);
    }
    for (int i = 0; i < n; i++)
    {
        ms.erase(ms.find(q.front()));
        q.pop();
        sum += w[i + m] - w[i];
        q.push(sum);
        ms.insert(sum);

        res = max(res, *ms.begin());
    }

    cout << res << '\n';
}

int main()
{
    ios_base::sync_with_stdio(false), cin.tie(NULL);

    int T_ = 1;
    // cin >> T_;

    for (int t_ = 0; t_ < T_; t_++)
        solve(t_);

    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 2 ms 588 KB Output is correct
24 Correct 2 ms 456 KB Output is correct
25 Correct 3 ms 468 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 320 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 2 ms 468 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 39 ms 4396 KB Output is correct
5 Correct 121 ms 10544 KB Output is correct
6 Correct 180 ms 13116 KB Output is correct
7 Correct 198 ms 15844 KB Output is correct
8 Correct 413 ms 26032 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 2 ms 588 KB Output is correct
24 Correct 2 ms 456 KB Output is correct
25 Correct 3 ms 468 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 320 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 1 ms 292 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 39 ms 4396 KB Output is correct
36 Correct 121 ms 10544 KB Output is correct
37 Correct 180 ms 13116 KB Output is correct
38 Correct 198 ms 15844 KB Output is correct
39 Correct 413 ms 26032 KB Output is correct
40 Correct 6 ms 852 KB Output is correct
41 Correct 10 ms 1332 KB Output is correct
42 Correct 13 ms 1880 KB Output is correct
43 Correct 161 ms 10660 KB Output is correct
44 Correct 315 ms 25988 KB Output is correct
45 Correct 55 ms 5416 KB Output is correct
46 Correct 186 ms 15792 KB Output is correct
47 Correct 324 ms 26040 KB Output is correct
48 Correct 165 ms 26372 KB Output is correct
49 Correct 180 ms 25400 KB Output is correct
50 Correct 165 ms 25396 KB Output is correct