Submission #557177

#	Time	Username	Problem	Language	Result	Execution time	Memory
557177		n0sk1ll	Rice Hub (IOI11_ricehub)	C++14	17 / 100	14 ms	1760 KiB

ricehub

#include "ricehub.h"
#include<bits/stdc++.h>

using namespace std;
long long int typedef li;

int besthub(int n, int m, int x[], li b)
{
    int mx=0; li balans=0;
    int l=0,r=0;
    for (int i=0;i<n;i++) if (balans+(x[i]-x[0])<=b) balans+=(x[i]-x[0]),r++;
    //cout<<0<<": "<<"["<<l<<","<<r<<") - "<<balans<<endl;
    for (int i=1;i<n;i++)
    {
        balans+=(li)(i-l)*(x[i]-x[i-1]);
        balans-=(li)(r-i)*(x[i]-x[i-1]);
        //cout<<i<<": "<<"["<<l<<","<<r<<") - "<<balans<<endl;
        while (balans>b) balans-=(x[i]-x[l]),l++;
        while (r<n && balans+(x[r]-x[i])<=b) balans+=(x[r]-x[i]),r++;
        mx=max(mx,r-l);
        //cout<<i<<": "<<"["<<l<<","<<r<<") - "<<balans<<endl;
        //cout<<endl;
    }
    return mx;
}

/*
5 20 6
1
2
10
12
14
3
*/

• Subtask 1: 17 / 17
• Subtask 2: 0 / 25
• Subtask 3: 0 / 26
• Subtask 4: 0 / 32