Submission #914731

#	Time	Username	Problem	Language	Result	Execution time	Memory
914731		DucNguyen2007	Rice Hub (IOI11_ricehub)	C++14	0 / 100	1074 ms	2652 KiB

ricehub

#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int maxN=1e5+5;
ll sum[maxN+1];
int a[maxN+1];
ll get(ll l,ll r)
{
    return sum[r]-sum[l-1];
}
ll besthub(int L,int n,int x[],ll B)
{
    for(int i=0;i<n;i++)
    {
        a[i+1]=x[i];
    }
    sum[0]=0;
    for(int i=1;i<=n;i++)
    {
        sum[i]=sum[i-1]+a[i];
    }
    ll res=0;
    for(int len=1;len<=n;len++)
    {
        ll l=1,r=len;
        while(r<=n)
        {
            ll p=(l+r)/2;
            ll cur=(p-l)*a[p]-get(l,p-1)+get(p+1,r)-(r-p)*a[p];
            if(cur<=B)
            {
                res=max(res,1LL*len);
            }
            l++;
            r++;
        }
    }
    return res;
}
/*int main()
{
    int L,n;
    ll B;
    cin>>n>>L>>B;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
    }
    cout<<besthub(L,n,a,B);
}*/

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