Submission #60712

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
60712	2018-07-24 15:03:02	theknife2001	Rice Hub (IOI11_ricehub)	C++17	100 / 100	38 ms	14800 KiB

ricehub

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#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
const int N=1e5+55;
long long sum[N];
long long pos[N];
int n;
bool ok(int x, long long b)
{
    long long best,cur;
    best=1e18+55;
    for(int i=0;i<=n-x;i++)
    {
        cur=pos[x/2+i]*(x/2)-sum[i+x/2-1];
        if(i)
            cur+=sum[i-1];
        cur+=sum[i+x-1]-sum[i+(x-1)/2]-pos[x/2+i]*(x/2);
//        cur=0;
//        for(int j=i;j<i+x;j++)
//        {
//            cur+=abs(pos[j]-pos[i+x/2]);
//        }
        best=min(best,cur);
    }
    if(best>b)
        return 0;
 
 
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• Subtask 2: 25 / 25
• Subtask 3: 26 / 26
• Subtask 4: 32 / 32