| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 723790 |
2023-04-14T10:05:07 Z |
The_Samurai |
Hacker (BOI15_hac) |
C++17 |
|
377 ms |
21576 KB |
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2")
#include "bits/stdc++.h"
using namespace std;
using ll = long long;
int INF = 2e9;
void solve() {
int n;
cin >> n;
vector<int> a(2 * n);
for (int i = 0; i < n; i++) {
cin >> a[i];
a[i + n] = a[i];
}
int sum = 0;
for (int i = 0; i < n / 2; i++) sum += a[i];
vector<int> range(2 * n);
range[0] = sum;
multiset<int, greater<int>> st;
int all_sum = 0, ans = 0, l = 1, r = 1;
for (int i = n / 2; i < 2 * n; i++) {
sum += a[i] - a[i - n / 2];
range[i - n / 2 + 1] = sum;
if (i < n) {
st.insert(sum);
r = i - n / 2 + 1;
}
}
for (int i = 0; i < n; i++) {
all_sum += a[i];
}
for (int i = 0; i < n; i++) {
ans = max(ans, all_sum - *st.begin());
st.erase(st.find(range[l++]));
st.insert(range[++r]);
}
cout << ans;
}
int main() {
::srand(::time(0));
ios_base::sync_with_stdio(false);
cout.tie(nullptr);
cin.tie(nullptr);
int queries = 1;
#ifdef test_cases
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
// cin >> queries;
#else
// cin >> queries;
#endif
for (int test_case = 1; test_case <= queries; test_case++) {
solve();
// cout << '\n';
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
320 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 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 |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
324 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
320 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
320 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 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 |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
324 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
320 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
284 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
2 ms |
340 KB |
Output is correct |
| 23 |
Correct |
3 ms |
468 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
3 ms |
468 KB |
Output is correct |
| 26 |
Correct |
3 ms |
468 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
0 ms |
212 KB |
Output is correct |
| 29 |
Correct |
0 ms |
212 KB |
Output is correct |
| 30 |
Correct |
2 ms |
464 KB |
Output is correct |
| 31 |
Correct |
2 ms |
468 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
2 ms |
460 KB |
Output is correct |
| 4 |
Correct |
35 ms |
3708 KB |
Output is correct |
| 5 |
Correct |
132 ms |
8784 KB |
Output is correct |
| 6 |
Correct |
128 ms |
11188 KB |
Output is correct |
| 7 |
Correct |
166 ms |
13424 KB |
Output is correct |
| 8 |
Correct |
366 ms |
21320 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
320 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 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 |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
324 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
320 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
284 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
2 ms |
340 KB |
Output is correct |
| 23 |
Correct |
3 ms |
468 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
3 ms |
468 KB |
Output is correct |
| 26 |
Correct |
3 ms |
468 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
0 ms |
212 KB |
Output is correct |
| 29 |
Correct |
0 ms |
212 KB |
Output is correct |
| 30 |
Correct |
2 ms |
464 KB |
Output is correct |
| 31 |
Correct |
2 ms |
468 KB |
Output is correct |
| 32 |
Correct |
0 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
2 ms |
460 KB |
Output is correct |
| 35 |
Correct |
35 ms |
3708 KB |
Output is correct |
| 36 |
Correct |
132 ms |
8784 KB |
Output is correct |
| 37 |
Correct |
128 ms |
11188 KB |
Output is correct |
| 38 |
Correct |
166 ms |
13424 KB |
Output is correct |
| 39 |
Correct |
366 ms |
21320 KB |
Output is correct |
| 40 |
Correct |
4 ms |
704 KB |
Output is correct |
| 41 |
Correct |
8 ms |
1108 KB |
Output is correct |
| 42 |
Correct |
15 ms |
1608 KB |
Output is correct |
| 43 |
Correct |
109 ms |
9012 KB |
Output is correct |
| 44 |
Correct |
291 ms |
21452 KB |
Output is correct |
| 45 |
Correct |
45 ms |
4556 KB |
Output is correct |
| 46 |
Correct |
169 ms |
13352 KB |
Output is correct |
| 47 |
Correct |
377 ms |
21576 KB |
Output is correct |
| 48 |
Correct |
230 ms |
21564 KB |
Output is correct |
| 49 |
Correct |
210 ms |
21488 KB |
Output is correct |
| 50 |
Correct |
217 ms |
21340 KB |
Output is correct |
