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Submission #986134

# Submission time Handle Problem Language Result Execution time Memory
986134 2024-05-19T19:55:39 Z andrei_iorgulescu Hacker (BOI15_hac) C++14
100 / 100
 296 ms 74268 KB 
#include <bits/stdc++.h>

using namespace std;

int n,a[500005],sp[500005],k;
vector<int> adg[500005],del[500005];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n;
    k = n / 2 + n % 2;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
    for (int i = 1; i <= n; i++)
        sp[i] = sp[i - 1] + a[i];
    for (int i = 1; i <= n; i++)
    {
        if (i + k - 1 <= n)
        {
            int vl = sp[i + k - 1] - sp[i - 1];
            adg[i].push_back(vl);
            del[i + k].push_back(vl);
        }
        else
        {
            int vl = sp[n] - sp[i - 1] + sp[i + k - 1 - n];
            adg[i].push_back(vl);
            adg[1].push_back(vl);
            del[i + k - n].push_back(vl);
        }
    }
    multiset<int> ms;
    int mxm = 0;
    for (int i = 1; i <= n; i++)
    {
        for (auto it : adg[i])
            ms.insert(it);
        for (auto it : del[i])
            ms.erase(ms.find(it));
        mxm = max(mxm,*ms.begin());
    }
    cout << mxm;
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 27224 KB Output is correct
2 Correct 7 ms 27224 KB Output is correct
3 Correct 6 ms 27304 KB Output is correct
4 Correct 6 ms 27228 KB Output is correct
5 Correct 6 ms 27228 KB Output is correct
6 Correct 6 ms 27276 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 6 ms 27228 KB Output is correct
9 Correct 7 ms 27228 KB Output is correct
10 Correct 6 ms 27228 KB Output is correct
11 Correct 7 ms 27336 KB Output is correct
12 Correct 6 ms 27228 KB Output is correct
13 Correct 6 ms 27228 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 6 ms 27228 KB Output is correct
17 Correct 6 ms 27228 KB Output is correct
18 Correct 7 ms 27340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 27224 KB Output is correct
2 Correct 7 ms 27224 KB Output is correct
3 Correct 6 ms 27304 KB Output is correct
4 Correct 6 ms 27228 KB Output is correct
5 Correct 6 ms 27228 KB Output is correct
6 Correct 6 ms 27276 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 6 ms 27228 KB Output is correct
9 Correct 7 ms 27228 KB Output is correct
10 Correct 6 ms 27228 KB Output is correct
11 Correct 7 ms 27336 KB Output is correct
12 Correct 6 ms 27228 KB Output is correct
13 Correct 6 ms 27228 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 6 ms 27228 KB Output is correct
17 Correct 6 ms 27228 KB Output is correct
18 Correct 7 ms 27340 KB Output is correct
19 Correct 6 ms 27224 KB Output is correct
20 Correct 6 ms 27228 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 7 ms 27484 KB Output is correct
23 Correct 9 ms 27592 KB Output is correct
24 Correct 7 ms 27416 KB Output is correct
25 Correct 8 ms 27740 KB Output is correct
26 Correct 8 ms 27740 KB Output is correct
27 Correct 6 ms 27228 KB Output is correct
28 Correct 6 ms 27228 KB Output is correct
29 Correct 6 ms 27228 KB Output is correct
30 Correct 8 ms 27576 KB Output is correct
31 Correct 7 ms 27740 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 27304 KB Output is correct
2 Correct 6 ms 27228 KB Output is correct
3 Correct 8 ms 27740 KB Output is correct
4 Correct 37 ms 34516 KB Output is correct
5 Correct 93 ms 45616 KB Output is correct
6 Correct 121 ms 50380 KB Output is correct
7 Correct 139 ms 55016 KB Output is correct
8 Correct 296 ms 73928 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 27224 KB Output is correct
2 Correct 7 ms 27224 KB Output is correct
3 Correct 6 ms 27304 KB Output is correct
4 Correct 6 ms 27228 KB Output is correct
5 Correct 6 ms 27228 KB Output is correct
6 Correct 6 ms 27276 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 6 ms 27228 KB Output is correct
9 Correct 7 ms 27228 KB Output is correct
10 Correct 6 ms 27228 KB Output is correct
11 Correct 7 ms 27336 KB Output is correct
12 Correct 6 ms 27228 KB Output is correct
13 Correct 6 ms 27228 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 6 ms 27228 KB Output is correct
17 Correct 6 ms 27228 KB Output is correct
18 Correct 7 ms 27340 KB Output is correct
19 Correct 6 ms 27224 KB Output is correct
20 Correct 6 ms 27228 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 7 ms 27484 KB Output is correct
23 Correct 9 ms 27592 KB Output is correct
24 Correct 7 ms 27416 KB Output is correct
25 Correct 8 ms 27740 KB Output is correct
26 Correct 8 ms 27740 KB Output is correct
27 Correct 6 ms 27228 KB Output is correct
28 Correct 6 ms 27228 KB Output is correct
29 Correct 6 ms 27228 KB Output is correct
30 Correct 8 ms 27576 KB Output is correct
31 Correct 7 ms 27740 KB Output is correct
32 Correct 6 ms 27304 KB Output is correct
33 Correct 6 ms 27228 KB Output is correct
34 Correct 8 ms 27740 KB Output is correct
35 Correct 37 ms 34516 KB Output is correct
36 Correct 93 ms 45616 KB Output is correct
37 Correct 121 ms 50380 KB Output is correct
38 Correct 139 ms 55016 KB Output is correct
39 Correct 296 ms 73928 KB Output is correct
40 Correct 11 ms 27992 KB Output is correct
41 Correct 14 ms 29156 KB Output is correct
42 Correct 18 ms 30044 KB Output is correct
43 Correct 96 ms 45752 KB Output is correct
44 Correct 243 ms 74000 KB Output is correct
45 Correct 45 ms 36212 KB Output is correct
46 Correct 138 ms 54980 KB Output is correct
47 Correct 266 ms 73928 KB Output is correct
48 Correct 207 ms 74268 KB Output is correct
49 Correct 189 ms 73384 KB Output is correct
50 Correct 190 ms 73352 KB Output is correct