#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pii;
#define f first
#define s second
const ll inf = 1e18;
set<pii> s, ord;
int main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
int n;
cin >> n;
for(int i=1; i<=n; i++){
int x;
cin >> x;
s.insert({-x, i});
ord.insert({i, -x});
}
s.insert({inf, 0}), s.insert({inf, n+1});
ord.insert({0, inf}), ord.insert({n+1, inf});
ll ans = 0;
for(int i=0; i<((n+1)>>1); i++){
pii v = *s.begin();
ans -= v.f;
cout << ans << endl;
auto it = ord.lower_bound({v.s, -inf});
--it;
pii a = *it;
s.erase(s.find({a.s, a.f}));
ord.erase(it++);
pii b = *it;
s.erase(s.find({b.s, b.f}));
ord.erase(it++);
pii c = *it;
s.erase(s.find({c.s, c.f}));
ord.erase(it++);
s.insert({a.s+c.s-b.s, b.f});
ord.insert({b.f, a.s+c.s-b.s});
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
580 KB |
Output is correct |
2 |
Correct |
3 ms |
592 KB |
Output is correct |
3 |
Correct |
3 ms |
592 KB |
Output is correct |
4 |
Correct |
3 ms |
596 KB |
Output is correct |
5 |
Correct |
3 ms |
592 KB |
Output is correct |
6 |
Correct |
4 ms |
592 KB |
Output is correct |
7 |
Correct |
4 ms |
592 KB |
Output is correct |
8 |
Correct |
4 ms |
592 KB |
Output is correct |
9 |
Correct |
3 ms |
600 KB |
Output is correct |
10 |
Correct |
3 ms |
592 KB |
Output is correct |
11 |
Correct |
3 ms |
592 KB |
Output is correct |
12 |
Correct |
3 ms |
568 KB |
Output is correct |
13 |
Correct |
3 ms |
592 KB |
Output is correct |
14 |
Correct |
3 ms |
592 KB |
Output is correct |
15 |
Correct |
3 ms |
580 KB |
Output is correct |
16 |
Correct |
4 ms |
592 KB |
Output is correct |
17 |
Correct |
4 ms |
592 KB |
Output is correct |
18 |
Correct |
3 ms |
592 KB |
Output is correct |
19 |
Correct |
4 ms |
592 KB |
Output is correct |
20 |
Correct |
3 ms |
592 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
580 KB |
Output is correct |
2 |
Correct |
3 ms |
592 KB |
Output is correct |
3 |
Correct |
3 ms |
592 KB |
Output is correct |
4 |
Correct |
3 ms |
596 KB |
Output is correct |
5 |
Correct |
3 ms |
592 KB |
Output is correct |
6 |
Correct |
4 ms |
592 KB |
Output is correct |
7 |
Correct |
4 ms |
592 KB |
Output is correct |
8 |
Correct |
4 ms |
592 KB |
Output is correct |
9 |
Correct |
3 ms |
600 KB |
Output is correct |
10 |
Correct |
3 ms |
592 KB |
Output is correct |
11 |
Correct |
3 ms |
592 KB |
Output is correct |
12 |
Correct |
3 ms |
568 KB |
Output is correct |
13 |
Correct |
3 ms |
592 KB |
Output is correct |
14 |
Correct |
3 ms |
592 KB |
Output is correct |
15 |
Correct |
3 ms |
580 KB |
Output is correct |
16 |
Correct |
4 ms |
592 KB |
Output is correct |
17 |
Correct |
4 ms |
592 KB |
Output is correct |
18 |
Correct |
3 ms |
592 KB |
Output is correct |
19 |
Correct |
4 ms |
592 KB |
Output is correct |
20 |
Correct |
3 ms |
592 KB |
Output is correct |
21 |
Correct |
652 ms |
28784 KB |
Output is correct |
22 |
Correct |
628 ms |
28732 KB |
Output is correct |
23 |
Correct |
619 ms |
28656 KB |
Output is correct |
24 |
Correct |
354 ms |
28564 KB |
Output is correct |
25 |
Correct |
340 ms |
28592 KB |
Output is correct |
26 |
Correct |
351 ms |
28576 KB |
Output is correct |
27 |
Correct |
353 ms |
28708 KB |
Output is correct |
28 |
Correct |
347 ms |
28836 KB |
Output is correct |
29 |
Correct |
357 ms |
28696 KB |
Output is correct |
30 |
Correct |
353 ms |
28744 KB |
Output is correct |
31 |
Correct |
359 ms |
28720 KB |
Output is correct |
32 |
Correct |
366 ms |
28772 KB |
Output is correct |
33 |
Correct |
523 ms |
28720 KB |
Output is correct |
34 |
Correct |
452 ms |
28488 KB |
Output is correct |
35 |
Correct |
479 ms |
28556 KB |
Output is correct |
36 |
Correct |
624 ms |
28748 KB |
Output is correct |
37 |
Correct |
643 ms |
28688 KB |
Output is correct |
38 |
Correct |
697 ms |
28660 KB |
Output is correct |
39 |
Correct |
348 ms |
28648 KB |
Output is correct |
40 |
Correct |
347 ms |
28508 KB |
Output is correct |
41 |
Correct |
349 ms |
28524 KB |
Output is correct |
42 |
Correct |
357 ms |
28676 KB |
Output is correct |
43 |
Correct |
356 ms |
28668 KB |
Output is correct |
44 |
Correct |
364 ms |
28864 KB |
Output is correct |
45 |
Correct |
386 ms |
28864 KB |
Output is correct |
46 |
Correct |
365 ms |
28736 KB |
Output is correct |
47 |
Correct |
375 ms |
28712 KB |
Output is correct |
48 |
Correct |
472 ms |
28476 KB |
Output is correct |
49 |
Correct |
474 ms |
28552 KB |
Output is correct |
50 |
Correct |
467 ms |
28552 KB |
Output is correct |