Submission #8145

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
8145	2014-08-31 14:27:09	gs13031	Split the sequence (APIO14_sequence)	C++98	100 / 100	1904 ms	85860 KiB

sequence

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#include<stdio.h>
int n, k, a[100010], sl[100010][210], j;
long long d[100010], dd[100010], s[100010];
void get_l(int st, int ed, int left, int right)
{
    int i, q, p;
    long long m=9e18, x;
    if(left>right) return;
    p=(left+right)/2;
    if(st==ed)
    {
        for(i=left; i<=right; ++i) sl[i][j]=st;
        return;
    }
    for(i=st; i<=ed; ++i)
    {
        x=d[i]+(s[p]-s[i])*(s[p]-s[i]);
        if(m>x){ m=x; q=i; }
    }
    sl[p][j]=q;
    get_l(st, q, left, p-1);
    get_l(q, ed, p+1, right);
    return;
}
void back(int x, int dep)
{
    if(dep>1)
    {
        back(sl[x][dep], dep-1);
        printf("%d ", sl[x][dep]);
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 17 / 17
• Subtask 5: 21 / 21
• Subtask 6: 29 / 29