#include <bits/stdc++.h>
using i64 = long long;
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int n;
std::cin >> n;
std::priority_queue<std::pair<i64, int>> q;
std::vector<i64> a(n + 2), l(n + 2), r(n + 2);
for (int i = 1; i <= n; i++) {
std::cin >> a[i];
q.emplace(a[i], i);
l[i] = i - 1;
r[i] = i + 1;
}
a[0] = a[n + 1] = -1E15;
std::vector<bool> del(n + 2);
i64 ans = 0;
for (int i = 1; i <= (n + 1) / 2; i++) {
while (del[q.top().second])
q.pop();
auto [v, j] = q.top();
q.pop();
ans += v;
std::cout << ans << "\n";
del[l[j]] = del[r[j]] = 1;
a[j] = a[l[j]] + a[r[j]] - a[j];
l[j] = l[l[j]];
r[j] = r[r[j]];
r[l[j]] = j;
l[r[j]] = j;
q.emplace(a[j], j);
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
448 KB |
Output is correct |
| 2 |
Correct |
1 ms |
460 KB |
Output is correct |
| 3 |
Correct |
1 ms |
460 KB |
Output is correct |
| 4 |
Correct |
1 ms |
460 KB |
Output is correct |
| 5 |
Correct |
1 ms |
460 KB |
Output is correct |
| 6 |
Correct |
1 ms |
452 KB |
Output is correct |
| 7 |
Correct |
1 ms |
460 KB |
Output is correct |
| 8 |
Correct |
2 ms |
460 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
460 KB |
Output is correct |
| 11 |
Correct |
1 ms |
460 KB |
Output is correct |
| 12 |
Correct |
1 ms |
448 KB |
Output is correct |
| 13 |
Correct |
1 ms |
452 KB |
Output is correct |
| 14 |
Correct |
1 ms |
452 KB |
Output is correct |
| 15 |
Correct |
1 ms |
460 KB |
Output is correct |
| 16 |
Correct |
1 ms |
460 KB |
Output is correct |
| 17 |
Correct |
1 ms |
460 KB |
Output is correct |
| 18 |
Correct |
1 ms |
460 KB |
Output is correct |
| 19 |
Correct |
1 ms |
460 KB |
Output is correct |
| 20 |
Correct |
1 ms |
460 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
448 KB |
Output is correct |
| 2 |
Correct |
1 ms |
460 KB |
Output is correct |
| 3 |
Correct |
1 ms |
460 KB |
Output is correct |
| 4 |
Correct |
1 ms |
460 KB |
Output is correct |
| 5 |
Correct |
1 ms |
460 KB |
Output is correct |
| 6 |
Correct |
1 ms |
452 KB |
Output is correct |
| 7 |
Correct |
1 ms |
460 KB |
Output is correct |
| 8 |
Correct |
2 ms |
460 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
460 KB |
Output is correct |
| 11 |
Correct |
1 ms |
460 KB |
Output is correct |
| 12 |
Correct |
1 ms |
448 KB |
Output is correct |
| 13 |
Correct |
1 ms |
452 KB |
Output is correct |
| 14 |
Correct |
1 ms |
452 KB |
Output is correct |
| 15 |
Correct |
1 ms |
460 KB |
Output is correct |
| 16 |
Correct |
1 ms |
460 KB |
Output is correct |
| 17 |
Correct |
1 ms |
460 KB |
Output is correct |
| 18 |
Correct |
1 ms |
460 KB |
Output is correct |
| 19 |
Correct |
1 ms |
460 KB |
Output is correct |
| 20 |
Correct |
1 ms |
460 KB |
Output is correct |
| 21 |
Correct |
114 ms |
11620 KB |
Output is correct |
| 22 |
Correct |
101 ms |
11628 KB |
Output is correct |
| 23 |
Correct |
107 ms |
11688 KB |
Output is correct |
| 24 |
Correct |
87 ms |
11536 KB |
Output is correct |
| 25 |
Correct |
75 ms |
11540 KB |
Output is correct |
| 26 |
Correct |
75 ms |
11532 KB |
Output is correct |
| 27 |
Correct |
82 ms |
11616 KB |
Output is correct |
| 28 |
Correct |
84 ms |
11616 KB |
Output is correct |
| 29 |
Correct |
79 ms |
11672 KB |
Output is correct |
| 30 |
Correct |
86 ms |
11700 KB |
Output is correct |
| 31 |
Correct |
81 ms |
11596 KB |
Output is correct |
| 32 |
Correct |
82 ms |
11700 KB |
Output is correct |
| 33 |
Correct |
100 ms |
11428 KB |
Output is correct |
| 34 |
Correct |
94 ms |
11516 KB |
Output is correct |
| 35 |
Correct |
89 ms |
11520 KB |
Output is correct |
| 36 |
Correct |
99 ms |
11636 KB |
Output is correct |
| 37 |
Correct |
99 ms |
11816 KB |
Output is correct |
| 38 |
Correct |
97 ms |
11604 KB |
Output is correct |
| 39 |
Correct |
72 ms |
11524 KB |
Output is correct |
| 40 |
Correct |
75 ms |
11444 KB |
Output is correct |
| 41 |
Correct |
80 ms |
11452 KB |
Output is correct |
| 42 |
Correct |
81 ms |
11656 KB |
Output is correct |
| 43 |
Correct |
79 ms |
11708 KB |
Output is correct |
| 44 |
Correct |
85 ms |
11624 KB |
Output is correct |
| 45 |
Correct |
84 ms |
11664 KB |
Output is correct |
| 46 |
Correct |
83 ms |
11624 KB |
Output is correct |
| 47 |
Correct |
85 ms |
11688 KB |
Output is correct |
| 48 |
Correct |
96 ms |
11424 KB |
Output is correct |
| 49 |
Correct |
103 ms |
11532 KB |
Output is correct |
| 50 |
Correct |
87 ms |
11440 KB |
Output is correct |
