#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<ctime>
#define maxn 210
#define maxm 100010
using namespace std;
typedef long long LL;
bool awal=true;
struct Node
{
LL S,G;
int id;
Node() {}
Node(LL S,LL G,int id): S(S),G(G),id(id) {}
};
int pre[maxn][maxm],a[maxm],n,m;
LL sum[maxm],dp[maxm];
void read()
{
scanf("%d%d",&n,&m);
for(int i=1;i<=n;++i)
{
scanf("%d",a+i);
sum[i]=sum[i-1]+a[i];
}
}
void print(int n,int m)
{
if(n==0) return;
print(n-1,pre[n][m]);
if(awal==true) { awal=false; printf("%d",pre[n][m]); }
else printf(" %d", pre[n][m]);
}
void Dp()
{
static Node queue[maxm];
for(int i=1;i<=m;++i)
{
int front=1,rear=1;
queue[rear]=Node(dp[i]-sum[i]*sum[i],sum[i],i);
for(int j=i+1;j<=n;++j)
{
while(front<rear&&queue[front].S+sum[j]*queue[front].G<=queue[front+1].S+sum[j]*queue[front+1].G)
++front;
Node now(dp[j]-sum[j]*sum[j],sum[j],j);
dp[j]=queue[front].S+sum[j]*queue[front].G;
pre[i][j]=queue[front].id;
while(front<rear&&(now.S-queue[rear].S)*(queue[rear].G-queue[rear-1].G)>=(queue[rear].S-queue[rear-1].S)*(now.G-queue[rear].G))
--rear;
queue[++rear]=now;
}
}
cout<<dp[n]<<endl;
print(m,n);
}
int main()
{
//freopen("sequence.in","r",stdin);
//freopen("sequence.out","w",stdout);
read();
Dp();
printf("\n");
//system("pause");
return 0;
}
Compilation message
sequence.cpp: In function 'void read()':
sequence.cpp:24:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d",&n,&m);
~~~~~^~~~~~~~~~~~~~
sequence.cpp:27:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",a+i);
~~~~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 108 == 108 |
| 2 |
Correct |
3 ms |
384 KB |
contestant found the optimal answer: 999 == 999 |
| 3 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 0 == 0 |
| 4 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1542524 == 1542524 |
| 5 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
| 6 |
Correct |
2 ms |
256 KB |
contestant found the optimal answer: 1 == 1 |
| 7 |
Correct |
2 ms |
412 KB |
contestant found the optimal answer: 1 == 1 |
| 8 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1 == 1 |
| 9 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 100400096 == 100400096 |
| 10 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 900320000 == 900320000 |
| 11 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
| 12 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
| 13 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 140072 == 140072 |
| 14 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 376041456 == 376041456 |
| 15 |
Correct |
3 ms |
384 KB |
contestant found the optimal answer: 805 == 805 |
| 16 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 900189994 == 900189994 |
| 17 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 999919994 == 999919994 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
contestant found the optimal answer: 1093956 == 1093956 |
| 2 |
Correct |
3 ms |
384 KB |
contestant found the optimal answer: 302460000 == 302460000 |
| 3 |
Correct |
2 ms |
640 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
| 4 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
| 5 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
| 6 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 933702 == 933702 |
| 7 |
Correct |
3 ms |
512 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
| 8 |
Correct |
3 ms |
384 KB |
contestant found the optimal answer: 687136 == 687136 |
| 9 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
| 10 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 610590000 == 610590000 |
| 2 |
Correct |
3 ms |
384 KB |
contestant found the optimal answer: 311760000 == 311760000 |
| 3 |
Correct |
3 ms |
1280 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
| 4 |
Correct |
3 ms |
384 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
| 5 |
Correct |
3 ms |
1152 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
| 6 |
Correct |
3 ms |
1280 KB |
contestant found the optimal answer: 107630884 == 107630884 |
| 7 |
Correct |
3 ms |
1280 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
| 8 |
Correct |
2 ms |
640 KB |
contestant found the optimal answer: 193556962 == 193556962 |
| 9 |
Correct |
2 ms |
512 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
| 10 |
Correct |
2 ms |
640 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 21503404 == 21503404 |
| 2 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 140412195 == 140412195 |
| 3 |
Correct |
7 ms |
2048 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
| 4 |
Correct |
3 ms |
384 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
| 5 |
Correct |
8 ms |
2176 KB |
contestant found the optimal answer: 679388326 == 679388326 |
| 6 |
Correct |
8 ms |
1920 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
| 7 |
Correct |
7 ms |
2176 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
| 8 |
Correct |
6 ms |
2176 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
| 9 |
Correct |
3 ms |
768 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
| 10 |
Correct |
4 ms |
1024 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
896 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
| 2 |
Correct |
5 ms |
896 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
| 3 |
Correct |
28 ms |
9464 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
| 4 |
Correct |
4 ms |
896 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
| 5 |
Correct |
28 ms |
5888 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
| 6 |
Correct |
35 ms |
6784 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
| 7 |
Correct |
39 ms |
7288 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
| 8 |
Correct |
24 ms |
6136 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
| 9 |
Correct |
25 ms |
6776 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
| 10 |
Correct |
41 ms |
8568 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
19 ms |
5368 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
| 2 |
Correct |
21 ms |
5432 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
| 3 |
Correct |
281 ms |
82956 KB |
contestant found the optimal answer: 497313449256899208 == 497313449256899208 |
| 4 |
Correct |
21 ms |
6400 KB |
contestant found the optimal answer: 374850090734572421 == 374850090734572421 |
| 5 |
Correct |
419 ms |
82652 KB |
contestant found the optimal answer: 36183271951 == 36183271951 |
| 6 |
Correct |
246 ms |
59256 KB |
contestant found the optimal answer: 51629847150471 == 51629847150471 |
| 7 |
Correct |
332 ms |
63868 KB |
contestant found the optimal answer: 124074747024496432 == 124074747024496432 |
| 8 |
Correct |
218 ms |
52824 KB |
contestant found the optimal answer: 309959349080800 == 309959349080800 |
| 9 |
Correct |
261 ms |
59636 KB |
contestant found the optimal answer: 124113525649823701 == 124113525649823701 |
| 10 |
Correct |
293 ms |
75256 KB |
contestant found the optimal answer: 124309619349406845 == 124309619349406845 |
