#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef long double ld;
const ll MOD=1e9+7;
const ll N=2e5+5;
const ld pi=3.14159265359;
const ll INF=(1LL<<60);
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(a) (ll)a.size()
ll n,u[N],ans,vis[N];
multiset<pll,greater<pll> > ms;
set<ll> idx;
int main(){
//ios_base::sync_with_stdio(0);cin.tie(0);
cin>>n;
REP1(i,n)cin>>u[i],ms.insert(mp(u[i],i)),idx.insert(i);
u[0]=u[n+1]=-INF;
REP1(i,(n+1)/2){
pll tmp=*ms.begin();ms.erase(ms.begin());
ans+=tmp.X;
cout<<ans<<"\n";
if(i==(n+1)/2)break;
ll l=(idx.lwb(tmp.Y)==idx.begin()?0:*prev(idx.lwb(tmp.Y)));
ll r=(idx.lwb(tmp.Y+1)==idx.end()?0:*idx.lwb(tmp.Y+1));
u[tmp.Y]=-tmp.X+u[l]+u[r];
ms.erase(mp(u[l],l));ms.erase(mp(u[r],r));
idx.erase(l);idx.erase(r);
ms.insert(mp(u[tmp.Y],tmp.Y));
}
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
512 KB |
Output is correct |
| 2 |
Correct |
4 ms |
640 KB |
Output is correct |
| 3 |
Correct |
5 ms |
640 KB |
Output is correct |
| 4 |
Correct |
4 ms |
640 KB |
Output is correct |
| 5 |
Correct |
4 ms |
640 KB |
Output is correct |
| 6 |
Correct |
4 ms |
640 KB |
Output is correct |
| 7 |
Correct |
4 ms |
640 KB |
Output is correct |
| 8 |
Correct |
4 ms |
640 KB |
Output is correct |
| 9 |
Correct |
4 ms |
640 KB |
Output is correct |
| 10 |
Correct |
4 ms |
640 KB |
Output is correct |
| 11 |
Correct |
4 ms |
640 KB |
Output is correct |
| 12 |
Correct |
4 ms |
640 KB |
Output is correct |
| 13 |
Correct |
5 ms |
640 KB |
Output is correct |
| 14 |
Correct |
4 ms |
640 KB |
Output is correct |
| 15 |
Correct |
4 ms |
640 KB |
Output is correct |
| 16 |
Correct |
4 ms |
768 KB |
Output is correct |
| 17 |
Correct |
5 ms |
640 KB |
Output is correct |
| 18 |
Correct |
4 ms |
640 KB |
Output is correct |
| 19 |
Correct |
4 ms |
640 KB |
Output is correct |
| 20 |
Correct |
4 ms |
640 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
512 KB |
Output is correct |
| 2 |
Correct |
4 ms |
640 KB |
Output is correct |
| 3 |
Correct |
5 ms |
640 KB |
Output is correct |
| 4 |
Correct |
4 ms |
640 KB |
Output is correct |
| 5 |
Correct |
4 ms |
640 KB |
Output is correct |
| 6 |
Correct |
4 ms |
640 KB |
Output is correct |
| 7 |
Correct |
4 ms |
640 KB |
Output is correct |
| 8 |
Correct |
4 ms |
640 KB |
Output is correct |
| 9 |
Correct |
4 ms |
640 KB |
Output is correct |
| 10 |
Correct |
4 ms |
640 KB |
Output is correct |
| 11 |
Correct |
4 ms |
640 KB |
Output is correct |
| 12 |
Correct |
4 ms |
640 KB |
Output is correct |
| 13 |
Correct |
5 ms |
640 KB |
Output is correct |
| 14 |
Correct |
4 ms |
640 KB |
Output is correct |
| 15 |
Correct |
4 ms |
640 KB |
Output is correct |
| 16 |
Correct |
4 ms |
768 KB |
Output is correct |
| 17 |
Correct |
5 ms |
640 KB |
Output is correct |
| 18 |
Correct |
4 ms |
640 KB |
Output is correct |
| 19 |
Correct |
4 ms |
640 KB |
Output is correct |
| 20 |
Correct |
4 ms |
640 KB |
Output is correct |
| 21 |
Correct |
874 ms |
27304 KB |
Output is correct |
| 22 |
Correct |
939 ms |
27200 KB |
Output is correct |
| 23 |
Correct |
873 ms |
27256 KB |
Output is correct |
| 24 |
Correct |
411 ms |
27128 KB |
Output is correct |
| 25 |
Correct |
420 ms |
27256 KB |
Output is correct |
| 26 |
Correct |
421 ms |
27128 KB |
Output is correct |
| 27 |
Correct |
450 ms |
27256 KB |
Output is correct |
| 28 |
Correct |
450 ms |
27256 KB |
Output is correct |
| 29 |
Correct |
451 ms |
27388 KB |
Output is correct |
| 30 |
Correct |
461 ms |
27384 KB |
Output is correct |
| 31 |
Correct |
465 ms |
27256 KB |
Output is correct |
| 32 |
Correct |
467 ms |
27384 KB |
Output is correct |
| 33 |
Correct |
590 ms |
27000 KB |
Output is correct |
| 34 |
Correct |
612 ms |
27128 KB |
Output is correct |
| 35 |
Correct |
595 ms |
27084 KB |
Output is correct |
| 36 |
Correct |
893 ms |
27384 KB |
Output is correct |
| 37 |
Correct |
803 ms |
27384 KB |
Output is correct |
| 38 |
Correct |
800 ms |
27384 KB |
Output is correct |
| 39 |
Correct |
420 ms |
27128 KB |
Output is correct |
| 40 |
Correct |
418 ms |
27128 KB |
Output is correct |
| 41 |
Correct |
424 ms |
27228 KB |
Output is correct |
| 42 |
Correct |
464 ms |
27256 KB |
Output is correct |
| 43 |
Correct |
452 ms |
27256 KB |
Output is correct |
| 44 |
Correct |
457 ms |
27304 KB |
Output is correct |
| 45 |
Correct |
467 ms |
27256 KB |
Output is correct |
| 46 |
Correct |
463 ms |
27452 KB |
Output is correct |
| 47 |
Correct |
467 ms |
27384 KB |
Output is correct |
| 48 |
Correct |
581 ms |
26988 KB |
Output is correct |
| 49 |
Correct |
594 ms |
27292 KB |
Output is correct |
| 50 |
Correct |
581 ms |
27160 KB |
Output is correct |
