| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 990044 |
2024-05-29T12:11:49 Z |
OAleksa |
Hacker (BOI15_hac) |
C++14 |
|
42 ms |
25936 KB |
#include <bits/stdc++.h>
#define f first
#define s second
#define int long long
using namespace std;
const int N = 1e6 + 69;
int n, a[N], p[N], c[N];
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int tt = 1;
//cin >> tt;
while (tt--) {
cin >> n;
for (int i = 1;i <= n;i++)
cin >> a[i];
for (int i = n + 1;i <= 2 * n;i++)
a[i] = a[i - n];
int all = 0;
for (int i = 1;i <= n;i++)
all += a[i];
for (int i = 1;i <= 2 * n;i++)
p[i] = p[i - 1] + a[i];
auto Get = [&](int l, int r) {
if (l > r)
return p[n] - p[l - 1] + p[r];
return p[r] - p[l - 1];
};
int k = (n + 1) / 2, ans = 0;
for (int i = 1;i <= n;i++) {
int j = i - k + 1;
if (j <= 0)
j += n;
c[i] = Get(j, i);
}
deque<pair<int, int>> st;
for (int i = n - k + 2;i <= n;i++) {
while (!st.empty() && st.back().s >= c[i])
st.pop_back();
st.push_back({i, c[i]});
}
for (int i = 1;i <= n;i++) {
while (!st.empty() && st.back().s >= c[i])
st.pop_back();
st.push_back({i, c[i]});
ans = max(ans, st.front().s);
int j = i - k + 1;
if (j <= 0)
j += n;
if (st.front().f == j)
st.pop_front();
}
cout << ans << '\n';
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 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 |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2392 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 |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2508 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 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 |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2392 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 |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2508 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 26 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 30 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 31 |
Correct |
1 ms |
2652 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 4 |
Correct |
7 ms |
9564 KB |
Output is correct |
| 5 |
Correct |
15 ms |
14156 KB |
Output is correct |
| 6 |
Correct |
19 ms |
14428 KB |
Output is correct |
| 7 |
Correct |
23 ms |
18780 KB |
Output is correct |
| 8 |
Correct |
38 ms |
22352 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 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 |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2392 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 |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2508 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 26 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 30 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 31 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 32 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 33 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 34 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 35 |
Correct |
7 ms |
9564 KB |
Output is correct |
| 36 |
Correct |
15 ms |
14156 KB |
Output is correct |
| 37 |
Correct |
19 ms |
14428 KB |
Output is correct |
| 38 |
Correct |
23 ms |
18780 KB |
Output is correct |
| 39 |
Correct |
38 ms |
22352 KB |
Output is correct |
| 40 |
Correct |
1 ms |
2904 KB |
Output is correct |
| 41 |
Correct |
2 ms |
2904 KB |
Output is correct |
| 42 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 43 |
Correct |
16 ms |
14172 KB |
Output is correct |
| 44 |
Correct |
37 ms |
22336 KB |
Output is correct |
| 45 |
Correct |
8 ms |
9564 KB |
Output is correct |
| 46 |
Correct |
24 ms |
18756 KB |
Output is correct |
| 47 |
Correct |
42 ms |
22356 KB |
Output is correct |
| 48 |
Correct |
33 ms |
22612 KB |
Output is correct |
| 49 |
Correct |
32 ms |
25936 KB |
Output is correct |
| 50 |
Correct |
32 ms |
25856 KB |
Output is correct |
