#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
const int N = 2e5 + 5;
const long long inf = 1e18;
int n;
int L[N], R[N];
long long a[N];
bool tog[N];
void app(int u) {
tog[u] = 1;
L[R[u]] = L[u];
R[L[u]] = R[u];
}
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
cin >> n;
priority_queue<pair<long long, int>> pq;
for (int i = 1; i <= n; ++i) {
cin >> a[i];
L[i] = i - 1, R[i] = i + 1;
pq.push({a[i], i});
}
a[0] = a[n + 1] = -inf;
R[n + 1] = n + 1;
long long res = 0;
for (int i = 1; i <= (n + 1) / 2; ++i) {
while (pq.size() && tog[pq.top().second]) {
pq.pop();
}
cout << (res += pq.top().first) << "\n";
int u = pq.top().second;
pq.pop();
int lt = L[u], rt = R[u];
pq.push({a[u] = a[lt] + a[rt] - a[u], u});
app(lt);
app(rt);
}
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 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 |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2604 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2396 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 |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 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 |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2604 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2396 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 |
66 ms |
10268 KB |
Output is correct |
| 22 |
Correct |
72 ms |
10436 KB |
Output is correct |
| 23 |
Correct |
68 ms |
10288 KB |
Output is correct |
| 24 |
Correct |
54 ms |
10192 KB |
Output is correct |
| 25 |
Correct |
63 ms |
10180 KB |
Output is correct |
| 26 |
Correct |
54 ms |
10176 KB |
Output is correct |
| 27 |
Correct |
60 ms |
10480 KB |
Output is correct |
| 28 |
Correct |
63 ms |
10240 KB |
Output is correct |
| 29 |
Correct |
61 ms |
10432 KB |
Output is correct |
| 30 |
Correct |
59 ms |
10448 KB |
Output is correct |
| 31 |
Correct |
60 ms |
10432 KB |
Output is correct |
| 32 |
Correct |
59 ms |
10252 KB |
Output is correct |
| 33 |
Correct |
60 ms |
10156 KB |
Output is correct |
| 34 |
Correct |
60 ms |
10180 KB |
Output is correct |
| 35 |
Correct |
60 ms |
10248 KB |
Output is correct |
| 36 |
Correct |
66 ms |
10372 KB |
Output is correct |
| 37 |
Correct |
65 ms |
10292 KB |
Output is correct |
| 38 |
Correct |
65 ms |
10332 KB |
Output is correct |
| 39 |
Correct |
52 ms |
10176 KB |
Output is correct |
| 40 |
Correct |
51 ms |
10192 KB |
Output is correct |
| 41 |
Correct |
50 ms |
10180 KB |
Output is correct |
| 42 |
Correct |
61 ms |
10432 KB |
Output is correct |
| 43 |
Correct |
58 ms |
10428 KB |
Output is correct |
| 44 |
Correct |
59 ms |
10432 KB |
Output is correct |
| 45 |
Correct |
66 ms |
10268 KB |
Output is correct |
| 46 |
Correct |
61 ms |
10292 KB |
Output is correct |
| 47 |
Correct |
60 ms |
10428 KB |
Output is correct |
| 48 |
Correct |
60 ms |
10196 KB |
Output is correct |
| 49 |
Correct |
61 ms |
10172 KB |
Output is correct |
| 50 |
Correct |
63 ms |
10176 KB |
Output is correct |
