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Submission #1029007

# Submission time Handle Problem Language Result Execution time Memory
1029007 2024-07-20T11:13:56 Z amine_aroua Hacker (BOI15_hac) C++17
40 / 100
 1000 ms 1880 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
    int n ;
    cin>>n;
    vector<int> v(n);
    vector<int> pref(n);
    for(int i = 0 ;i < n ; i++)
    {
        cin>>v[i];
        pref[i] = v[i];
        if(i)
            pref[i]+=pref[i - 1];
    }
    int best = 0;
    for(int shift = 0 ; shift  < n ; shift++)
    {
        int ans = LLONG_MAX;
        for(int i = 1 + n/2 ; i <= n ; i++)
        {
            int j = ((i + shift) % n);
            int k = (j + (n+1)/2 - 1 + n)%n;
            if(k >= j)
                ans = min(ans , pref[k] - (j ? pref[j - 1] : 0));
            else
                ans = min(ans , pref[n - 1] - (j ? pref[j - 1] : 0) + pref[k]);
        }
        best = max(best , ans);
    }
    cout<<best<<'\n';
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 432 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 388 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 432 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 388 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 3 ms 360 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 21 ms 448 KB Output is correct
23 Correct 58 ms 344 KB Output is correct
24 Correct 20 ms 348 KB Output is correct
25 Correct 55 ms 344 KB Output is correct
26 Correct 58 ms 348 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 58 ms 348 KB Output is correct
31 Correct 49 ms 348 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 51 ms 348 KB Output is correct
4 Execution timed out 1044 ms 1880 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 432 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 388 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 3 ms 360 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 21 ms 448 KB Output is correct
23 Correct 58 ms 344 KB Output is correct
24 Correct 20 ms 348 KB Output is correct
25 Correct 55 ms 344 KB Output is correct
26 Correct 58 ms 348 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 58 ms 348 KB Output is correct
31 Correct 49 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 51 ms 348 KB Output is correct
35 Execution timed out 1044 ms 1880 KB Time limit exceeded
36 Halted 0 ms 0 KB -