#include <bits/stdc++.h>
#define inf 200000000000000000
#define N 200050
#define f first
#define s second
using namespace std;
#define int long long
typedef pair<int, int> pii;
int n, k, v[N], ans, t = 0;
set < pii > pq, list;
struct linked_list
{
int esq[N], dir[N];
void clear()
{
memset(esq, 0, sizeof esq);
memset(dir, 0, sizeof dir);
}
void erase(int p)
{
if( p <= 0 || p > n ) return;
dir[esq[p]] = dir[p];
esq[dir[p]] = esq[p];
}
} L;
int32_t main()
{
ios::sync_with_stdio(false); cin.tie(0);
cin>>n;
for(int i = 1; i <= n; i++)
{
cin>>v[i];
L.esq[i] = i - 1;
L.dir[i] = i + 1;
pq.insert({-v[i], i});
}
for(int i = 1; i <= ((n + 1)/2); i++)
{
auto it = pq.begin();
int x = -(*it).f, id = (*it).s;
int l = L.esq[id], r = L.dir[id];
L.erase(l), L.erase(r);
if(l > 0 && l <= n && r > 0 && r <= n) v[id] = -v[id] + v[l] + v[r];
else v[id] = -inf;
pq.erase({-x, id}), pq.erase({-v[l], l}), pq.erase({-v[r], r});
pq.insert({-v[id], id});
ans += x;
cout<<ans<<"\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
504 KB |
Output is correct |
2 |
Correct |
4 ms |
616 KB |
Output is correct |
3 |
Correct |
3 ms |
832 KB |
Output is correct |
4 |
Correct |
3 ms |
832 KB |
Output is correct |
5 |
Correct |
4 ms |
956 KB |
Output is correct |
6 |
Correct |
3 ms |
956 KB |
Output is correct |
7 |
Correct |
3 ms |
956 KB |
Output is correct |
8 |
Correct |
4 ms |
956 KB |
Output is correct |
9 |
Correct |
3 ms |
1076 KB |
Output is correct |
10 |
Correct |
3 ms |
1076 KB |
Output is correct |
11 |
Correct |
5 ms |
1076 KB |
Output is correct |
12 |
Correct |
4 ms |
1076 KB |
Output is correct |
13 |
Correct |
5 ms |
1088 KB |
Output is correct |
14 |
Correct |
4 ms |
1108 KB |
Output is correct |
15 |
Correct |
3 ms |
1128 KB |
Output is correct |
16 |
Correct |
7 ms |
1148 KB |
Output is correct |
17 |
Correct |
5 ms |
1172 KB |
Output is correct |
18 |
Correct |
5 ms |
1316 KB |
Output is correct |
19 |
Correct |
6 ms |
1316 KB |
Output is correct |
20 |
Correct |
4 ms |
1316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
504 KB |
Output is correct |
2 |
Correct |
4 ms |
616 KB |
Output is correct |
3 |
Correct |
3 ms |
832 KB |
Output is correct |
4 |
Correct |
3 ms |
832 KB |
Output is correct |
5 |
Correct |
4 ms |
956 KB |
Output is correct |
6 |
Correct |
3 ms |
956 KB |
Output is correct |
7 |
Correct |
3 ms |
956 KB |
Output is correct |
8 |
Correct |
4 ms |
956 KB |
Output is correct |
9 |
Correct |
3 ms |
1076 KB |
Output is correct |
10 |
Correct |
3 ms |
1076 KB |
Output is correct |
11 |
Correct |
5 ms |
1076 KB |
Output is correct |
12 |
Correct |
4 ms |
1076 KB |
Output is correct |
13 |
Correct |
5 ms |
1088 KB |
Output is correct |
14 |
Correct |
4 ms |
1108 KB |
Output is correct |
15 |
Correct |
3 ms |
1128 KB |
Output is correct |
16 |
Correct |
7 ms |
1148 KB |
Output is correct |
17 |
Correct |
5 ms |
1172 KB |
Output is correct |
18 |
Correct |
5 ms |
1316 KB |
Output is correct |
19 |
Correct |
6 ms |
1316 KB |
Output is correct |
20 |
Correct |
4 ms |
1316 KB |
Output is correct |
21 |
Correct |
614 ms |
21816 KB |
Output is correct |
22 |
Correct |
619 ms |
23824 KB |
Output is correct |
23 |
Correct |
558 ms |
25796 KB |
Output is correct |
24 |
Correct |
247 ms |
27512 KB |
Output is correct |
25 |
Correct |
224 ms |
29220 KB |
Output is correct |
26 |
Correct |
243 ms |
31032 KB |
Output is correct |
27 |
Correct |
229 ms |
32988 KB |
Output is correct |
28 |
Correct |
205 ms |
34868 KB |
Output is correct |
29 |
Correct |
211 ms |
36948 KB |
Output is correct |
30 |
Correct |
234 ms |
38904 KB |
Output is correct |
31 |
Correct |
232 ms |
40732 KB |
Output is correct |
32 |
Correct |
216 ms |
42832 KB |
Output is correct |
33 |
Correct |
386 ms |
44460 KB |
Output is correct |
34 |
Correct |
387 ms |
46188 KB |
Output is correct |
35 |
Correct |
318 ms |
48000 KB |
Output is correct |
36 |
Correct |
570 ms |
49980 KB |
Output is correct |
37 |
Correct |
578 ms |
51912 KB |
Output is correct |
38 |
Correct |
611 ms |
53872 KB |
Output is correct |
39 |
Correct |
198 ms |
55472 KB |
Output is correct |
40 |
Correct |
268 ms |
57380 KB |
Output is correct |
41 |
Correct |
167 ms |
59184 KB |
Output is correct |
42 |
Correct |
214 ms |
61040 KB |
Output is correct |
43 |
Correct |
185 ms |
63040 KB |
Output is correct |
44 |
Correct |
197 ms |
64972 KB |
Output is correct |
45 |
Correct |
231 ms |
67096 KB |
Output is correct |
46 |
Correct |
235 ms |
68920 KB |
Output is correct |
47 |
Correct |
220 ms |
71024 KB |
Output is correct |
48 |
Correct |
329 ms |
72596 KB |
Output is correct |
49 |
Correct |
292 ms |
74444 KB |
Output is correct |
50 |
Correct |
321 ms |
76196 KB |
Output is correct |