#include <stdio.h>
int q[100010],p[210][100010];
long long a[100010],D[210][10010];
void path(int k,int n){
if(k<0)return;
path(k-1,p[k][n]);
printf("%d ",n);
}
int main(){
int i,j,n,k,f,r;
scanf("%d%d",&n,&k);
for(i=1;i<=n;++i)scanf("%lld",a+i),a[i]+=a[i-1],D[0][i]=-a[i]*a[i];
for(i=1;i<=k;++i){
q[f=r=1]=i;
for(j=i+1;j<=n;++j){
while(f<r&&a[q[f]]*a[j]+D[i-1][q[f]]<=a[q[f+1]]*a[j]+D[i-1][q[f+1]])++f;
D[i][j]=a[q[f]]*a[j]+D[i-1][q[f]]-a[j]*a[j],p[i][j]=q[f];
while(f<r&&(D[i-1][q[r]]-D[i-1][q[r-1]])*(a[q[r-1]]-a[j])>(D[i-1][j]-D[i-1][q[r-1]])*(a[q[r-1]]-a[q[r]]))--r;
q[++r]=j;
}
}
printf("%lld\n",D[k][n]+a[n]*a[n]);
path(k-1,p[k][n]);
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 108 == 108 |
2 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 999 == 999 |
3 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 0 == 0 |
4 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 1542524 == 1542524 |
5 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 4500000000 == 4500000000 |
6 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 1 == 1 |
7 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 1 == 1 |
8 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 1 == 1 |
9 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 100400096 == 100400096 |
10 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 900320000 == 900320000 |
11 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 3698080248 == 3698080248 |
12 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 3200320000 == 3200320000 |
13 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 140072 == 140072 |
14 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 376041456 == 376041456 |
15 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 805 == 805 |
16 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 900189994 == 900189994 |
17 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 999919994 == 999919994 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 122453454361 == 122453454361 |
4 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 93663683509 == 93663683509 |
5 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 1005304678 == 1005304678 |
6 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 933702 == 933702 |
7 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 25082842857 == 25082842857 |
8 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 687136 == 687136 |
9 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 27295930079 == 27295930079 |
10 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 29000419931 == 29000419931 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Correct |
4 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 107630884 == 107630884 |
7 |
Correct |
3 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 475357671774 == 475357671774 |
8 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 193556962 == 193556962 |
9 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 482389919803 == 482389919803 |
10 |
Correct |
4 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 490686959791 == 490686959791 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
4 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
0 ms |
100716 KB |
Output is correct - contestant found the optimal answer: 679388326 == 679388326 |
6 |
Incorrect |
3 ms |
100716 KB |
Output isn't correct - contestant didn't find the optimal answer: 4699030135 < 4699030287 |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Halted |
0 ms |
0 KB |
- |