#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#include<bits/stdc++.h>
//#include "boxes.h"
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<61);
const int inf=(1<<30);
const int nmax=1e5+50;
const int mod=1e9+7;
using namespace std;
int n,k,i,j,t,id,pr[205][nmax];
ll f[205][nmax],a[nmax],p[nmax],mx,x;
void rec(int d,int l,int r,int opl,int opr)
{
if(l>r)return;
int mid=(l+r)/2,bst=0;
ll x;
for(int i=opl;i<=min(mid-1,opr);i++)
{
x=f[d-1][i]+(p[n]-p[mid])*(p[mid]-p[i]);
if(x>=f[d][mid])
{
f[d][mid]=x;
bst=i;
pr[d][mid]=i;
}
}
rec(d,l,mid-1,opl,bst);
rec(d,mid+1,r,bst,opr);
}
int main()
{
//freopen("sol.in","r",stdin);
//freopen("sol.out","w",stdout);
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
cin>>n>>k;
for(i=1;i<=n;i++)cin>>a[i];
for(i=1;i<=n;i++)p[i]=p[i-1]+a[i];
for(i=1;i<=k;i++)rec(i,1,n,0,n-1);
/*for(i=1;i<=k;i++)
{
for(j=0;j<=n;j++)
{
for(t=j+1;t<n;t++)
{
x=f[i-1][j]+(p[t]-p[j])*(p[n]-p[t]);
if(x>=f[i][t])
{
f[i][t]=x;
pr[i][t]=j;
}
if(f[i][t]>=mx)
{
mx=f[i][t];
id=t;
}
}
}
}*/
for(i=1;i<n;i++)
{
if(mx<=f[k][i])
{
mx=f[k][i];
id=i;
}
}
cout<<mx<<endl;
for(i=k;i>=1;i--)
{
cout<<id<<" ";
id=pr[i][id];
}
cout<<endl;
return 0;
}
Compilation message
sequence.cpp:2:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
#pragma GCC optimization("O3")
sequence.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
#pragma GCC optimization("unroll-loops")
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 108 == 108 |
| 2 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 999 == 999 |
| 3 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 0 == 0 |
| 4 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 1542524 == 1542524 |
| 5 |
Correct |
3 ms |
476 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
| 6 |
Correct |
3 ms |
376 KB |
contestant found the optimal answer: 1 == 1 |
| 7 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 1 == 1 |
| 8 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 1 == 1 |
| 9 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 100400096 == 100400096 |
| 10 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 900320000 == 900320000 |
| 11 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
| 12 |
Correct |
1 ms |
376 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
| 13 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 140072 == 140072 |
| 14 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 376041456 == 376041456 |
| 15 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 805 == 805 |
| 16 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 900189994 == 900189994 |
| 17 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 999919994 == 999919994 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 1093956 == 1093956 |
| 2 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 302460000 == 302460000 |
| 3 |
Correct |
3 ms |
888 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
| 4 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
| 5 |
Correct |
3 ms |
504 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
| 6 |
Correct |
2 ms |
504 KB |
contestant found the optimal answer: 933702 == 933702 |
| 7 |
Correct |
2 ms |
636 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
| 8 |
Correct |
2 ms |
504 KB |
contestant found the optimal answer: 687136 == 687136 |
| 9 |
Correct |
2 ms |
504 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
| 10 |
Correct |
2 ms |
504 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 610590000 == 610590000 |
| 2 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 311760000 == 311760000 |
| 3 |
Correct |
5 ms |
2808 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
| 4 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
| 5 |
Correct |
5 ms |
2168 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
| 6 |
Correct |
6 ms |
2680 KB |
contestant found the optimal answer: 107630884 == 107630884 |
| 7 |
Correct |
5 ms |
2808 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
| 8 |
Correct |
3 ms |
888 KB |
contestant found the optimal answer: 193556962 == 193556962 |
| 9 |
Correct |
3 ms |
640 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
| 10 |
Correct |
3 ms |
1016 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
504 KB |
contestant found the optimal answer: 21503404 == 21503404 |
| 2 |
Correct |
2 ms |
424 KB |
contestant found the optimal answer: 140412195 == 140412195 |
| 3 |
Correct |
12 ms |
4856 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
| 4 |
Correct |
2 ms |
504 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
| 5 |
Correct |
13 ms |
4712 KB |
contestant found the optimal answer: 679388326 == 679388326 |
| 6 |
Correct |
11 ms |
4096 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
| 7 |
Correct |
13 ms |
4856 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
| 8 |
Correct |
11 ms |
4728 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
| 9 |
Correct |
5 ms |
1272 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
| 10 |
Correct |
7 ms |
2168 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
888 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
| 2 |
Correct |
4 ms |
888 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
| 3 |
Correct |
90 ms |
26096 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
| 4 |
Correct |
5 ms |
1016 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
| 5 |
Correct |
71 ms |
15836 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
| 6 |
Correct |
72 ms |
18424 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
| 7 |
Correct |
84 ms |
19576 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
| 8 |
Correct |
63 ms |
16116 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
| 9 |
Correct |
70 ms |
18296 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
| 10 |
Correct |
90 ms |
23476 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
27 ms |
5496 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
| 2 |
Correct |
26 ms |
5496 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
| 3 |
Runtime error |
544 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 4 |
Halted |
0 ms |
0 KB |
- |
