Submission #18609

# Submission time Handle Problem Language Result Execution time Memory
18609 2016-02-11T07:41:33 Z eaststar Split the sequence (APIO14_sequence) C++14
33 / 100
4 ms 100716 KB
#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 -