| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 58176 |
2018-07-17T05:52:30 Z |
노영훈(#1688) |
Candies (JOI18_candies) |
C++11 |
|
664 ms |
17968 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, int> pli;
const int MX=500010, inf=2e9;
int n;
ll A[MX];
int nxt[MX], prv[MX];
int main(){
ios::sync_with_stdio(0); cin.tie(0);
cin>>n;
for(int i=1; i<=n; i++) cin>>A[i];
iota(nxt+1, nxt+n+1, 2);
iota(prv+1, prv+n+1, 0);
nxt[0]=1, prv[n+1]=n; // by no mean
set<pli> S;
for(int i=1; i<=n; i++) S.insert({A[i], i});
ll ans=0;
for(int j=1; j<=(n+1)/2; j++){
pli now=*S.rbegin();
S.erase(now);
ans+=now.first;
cout<<ans<<'\n';
int i=now.second, l=prv[i], r=nxt[i];
if(l==0){
S.erase({A[r], r});
prv[nxt[r]]=0;
continue;
}
if(r==n+1){
S.erase({A[l], l});
nxt[prv[l]]=n+1;
continue;
}
S.erase({A[r], r});
S.erase({A[l], l});
A[i] = A[l] + A[r] - A[i];
S.insert({A[i], i});
prv[nxt[r]]=i;
nxt[prv[l]]=i;
nxt[i]=nxt[r];
prv[i]=prv[l];
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
504 KB |
Output is correct |
| 2 |
Correct |
4 ms |
640 KB |
Output is correct |
| 3 |
Correct |
3 ms |
720 KB |
Output is correct |
| 4 |
Correct |
3 ms |
780 KB |
Output is correct |
| 5 |
Correct |
4 ms |
824 KB |
Output is correct |
| 6 |
Correct |
4 ms |
892 KB |
Output is correct |
| 7 |
Correct |
5 ms |
892 KB |
Output is correct |
| 8 |
Correct |
7 ms |
892 KB |
Output is correct |
| 9 |
Correct |
3 ms |
892 KB |
Output is correct |
| 10 |
Correct |
5 ms |
892 KB |
Output is correct |
| 11 |
Correct |
4 ms |
956 KB |
Output is correct |
| 12 |
Correct |
4 ms |
956 KB |
Output is correct |
| 13 |
Correct |
4 ms |
956 KB |
Output is correct |
| 14 |
Correct |
3 ms |
956 KB |
Output is correct |
| 15 |
Correct |
4 ms |
956 KB |
Output is correct |
| 16 |
Correct |
5 ms |
956 KB |
Output is correct |
| 17 |
Correct |
4 ms |
956 KB |
Output is correct |
| 18 |
Correct |
4 ms |
956 KB |
Output is correct |
| 19 |
Correct |
3 ms |
956 KB |
Output is correct |
| 20 |
Correct |
3 ms |
956 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
504 KB |
Output is correct |
| 2 |
Correct |
4 ms |
640 KB |
Output is correct |
| 3 |
Correct |
3 ms |
720 KB |
Output is correct |
| 4 |
Correct |
3 ms |
780 KB |
Output is correct |
| 5 |
Correct |
4 ms |
824 KB |
Output is correct |
| 6 |
Correct |
4 ms |
892 KB |
Output is correct |
| 7 |
Correct |
5 ms |
892 KB |
Output is correct |
| 8 |
Correct |
7 ms |
892 KB |
Output is correct |
| 9 |
Correct |
3 ms |
892 KB |
Output is correct |
| 10 |
Correct |
5 ms |
892 KB |
Output is correct |
| 11 |
Correct |
4 ms |
956 KB |
Output is correct |
| 12 |
Correct |
4 ms |
956 KB |
Output is correct |
| 13 |
Correct |
4 ms |
956 KB |
Output is correct |
| 14 |
Correct |
3 ms |
956 KB |
Output is correct |
| 15 |
Correct |
4 ms |
956 KB |
Output is correct |
| 16 |
Correct |
5 ms |
956 KB |
Output is correct |
| 17 |
Correct |
4 ms |
956 KB |
Output is correct |
| 18 |
Correct |
4 ms |
956 KB |
Output is correct |
| 19 |
Correct |
3 ms |
956 KB |
Output is correct |
| 20 |
Correct |
3 ms |
956 KB |
Output is correct |
| 21 |
Correct |
483 ms |
17776 KB |
Output is correct |
| 22 |
Correct |
485 ms |
17828 KB |
Output is correct |
| 23 |
Correct |
438 ms |
17860 KB |
Output is correct |
| 24 |
Correct |
186 ms |
17860 KB |
Output is correct |
| 25 |
Correct |
229 ms |
17860 KB |
Output is correct |
| 26 |
Correct |
230 ms |
17860 KB |
Output is correct |
| 27 |
Correct |
212 ms |
17860 KB |
Output is correct |
| 28 |
Correct |
238 ms |
17860 KB |
Output is correct |
| 29 |
Correct |
217 ms |
17880 KB |
Output is correct |
| 30 |
Correct |
310 ms |
17880 KB |
Output is correct |
| 31 |
Correct |
288 ms |
17880 KB |
Output is correct |
| 32 |
Correct |
261 ms |
17880 KB |
Output is correct |
| 33 |
Correct |
327 ms |
17884 KB |
Output is correct |
| 34 |
Correct |
425 ms |
17884 KB |
Output is correct |
| 35 |
Correct |
321 ms |
17884 KB |
Output is correct |
| 36 |
Correct |
664 ms |
17884 KB |
Output is correct |
| 37 |
Correct |
498 ms |
17944 KB |
Output is correct |
| 38 |
Correct |
508 ms |
17944 KB |
Output is correct |
| 39 |
Correct |
201 ms |
17944 KB |
Output is correct |
| 40 |
Correct |
183 ms |
17968 KB |
Output is correct |
| 41 |
Correct |
179 ms |
17968 KB |
Output is correct |
| 42 |
Correct |
236 ms |
17968 KB |
Output is correct |
| 43 |
Correct |
196 ms |
17968 KB |
Output is correct |
| 44 |
Correct |
188 ms |
17968 KB |
Output is correct |
| 45 |
Correct |
280 ms |
17968 KB |
Output is correct |
| 46 |
Correct |
208 ms |
17968 KB |
Output is correct |
| 47 |
Correct |
193 ms |
17968 KB |
Output is correct |
| 48 |
Correct |
328 ms |
17968 KB |
Output is correct |
| 49 |
Correct |
305 ms |
17968 KB |
Output is correct |
| 50 |
Correct |
307 ms |
17968 KB |
Output is correct |
