Submission #6914

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
6914	2014-07-10 12:33:08	dohyun0324	Split the sequence (APIO14_sequence)	C++98	100 / 100	564 ms	88988 KiB

sequence

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<stdio.h>
int n,k,top,p,path[210][100010],w,dap[100010];
long long int a[100010],s[100010],d[2][100010];
struct data
{
    long long int m,n,pos;
}st[100010];
int main()
{
    long long int i,j,r,m1,m2,n1,n2,m3,n3;
    scanf("%d %d",&n,&k);
    for(i=1;i<=n;i++)
    {
        scanf("%lld",&a[i]);
        s[i]=s[i-1]+a[i];
    }
    for(i=2;i<=k+1;i++)
    {
        top=1, p=1;
        st[1].m=s[i-1]; st[1].n=-s[i-1]*s[i-1]+d[(i+1)%2][i-1]; st[1].pos=i-1;
        for(j=i;j<=n;j++)
        {
            m2=s[j]; n2=-s[j]*s[j]+d[(i+1)%2][j];
            if(p>top) p=top;
            for(r=p;r<=top-1;r++)
            {
                m1=st[r+1].m; n1=st[r+1].n; m3=st[r].m; n3=st[r].n;
                if(n3-n1>=(m1-m3)*s[j]) break;
            }
            p=r;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 11 / 11
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 17 / 17
• Subtask 5: 21 / 21
• Subtask 6: 29 / 29