| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 564367 |
2022-05-19T04:29:14 Z |
KoD |
Hacker (BOI15_hac) |
C++17 |
|
52 ms |
11744 KB |
#include <bits/stdc++.h>
using std::deque;
using std::pair;
using std::vector;
class SlidingMinimum {
int push_i, pop_i;
deque<pair<int, int>> deq;
public:
SlidingMinimum() : push_i(0), pop_i(0), deq() {}
void push(const int x) {
while (!deq.empty() and deq.back().first >= x) {
deq.pop_back();
}
deq.emplace_back(x, push_i++);
}
void pop() {
if (deq.front().second == pop_i) {
deq.pop_front();
}
pop_i += 1;
}
int min() const { return deq.front().first; }
};
int main() {
std::ios_base::sync_with_stdio(false);
std::cin.tie(nullptr);
int N;
std::cin >> N;
vector<int> V(N);
for (auto& x : V) {
std::cin >> x;
}
vector<int> sum(2 * N + 1);
for (int i = 0; i < N; ++i) {
sum[i + 1] = sum[i] + V[i];
}
for (int i = 0; i < N; ++i) {
sum[i + N + 1] = sum[i + N] + V[i];
}
const int len = (N + 1) / 2;
vector<int> take(N);
for (int i = 0; i < N; ++i) {
take[i] = sum[i + len] - sum[i];
}
SlidingMinimum window;
for (int i = N - len; i < N; ++i) {
window.push(take[i]);
}
int ans = 0;
for (int i = 0; i < N; ++i) {
window.pop();
window.push(take[i]);
ans = std::max(ans, window.min());
}
std::cout << ans << '\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
320 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 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 |
340 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 |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 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 |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
320 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 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 |
340 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 |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 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 |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
324 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
328 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
2 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
320 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
9 ms |
1876 KB |
Output is correct |
| 5 |
Correct |
20 ms |
4180 KB |
Output is correct |
| 6 |
Correct |
28 ms |
5264 KB |
Output is correct |
| 7 |
Correct |
31 ms |
6324 KB |
Output is correct |
| 8 |
Correct |
51 ms |
10208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
320 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 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 |
340 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 |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 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 |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
324 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
328 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
2 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
328 KB |
Output is correct |
| 32 |
Correct |
1 ms |
320 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
1 ms |
328 KB |
Output is correct |
| 35 |
Correct |
9 ms |
1876 KB |
Output is correct |
| 36 |
Correct |
20 ms |
4180 KB |
Output is correct |
| 37 |
Correct |
28 ms |
5264 KB |
Output is correct |
| 38 |
Correct |
31 ms |
6324 KB |
Output is correct |
| 39 |
Correct |
51 ms |
10208 KB |
Output is correct |
| 40 |
Correct |
1 ms |
460 KB |
Output is correct |
| 41 |
Correct |
3 ms |
596 KB |
Output is correct |
| 42 |
Correct |
4 ms |
852 KB |
Output is correct |
| 43 |
Correct |
23 ms |
4300 KB |
Output is correct |
| 44 |
Correct |
52 ms |
10336 KB |
Output is correct |
| 45 |
Correct |
13 ms |
2252 KB |
Output is correct |
| 46 |
Correct |
32 ms |
6224 KB |
Output is correct |
| 47 |
Correct |
51 ms |
10212 KB |
Output is correct |
| 48 |
Correct |
44 ms |
10572 KB |
Output is correct |
| 49 |
Correct |
41 ms |
11740 KB |
Output is correct |
| 50 |
Correct |
40 ms |
11744 KB |
Output is correct |
