Submission #158075

#	Time	Username	Problem	Language	Result	Execution time	Memory
158075		lukameladze	Rice Hub (IOI11_ricehub)	C++14	100 / 100	21 ms	3324 KiB

ricehub

# include<bits/stdc++.h>
using namespace std;
long long r,l,b,n,pos[100005],w,sum[100005],mid,shua,ans,sn,sm,ri,yy;
long long besthub(int r,int l, int x[],long long b) 
{
//	cin>>r>>l>>b;
	for (long long i=1; i<=r; i++)
	{
		pos[i]=x[i-1];
		w+=pos[i];
		sum[i]=w;
	}
	l=1;
	ri=r;
	while (l<=ri)
	{
      yy=0;
		mid=(l+ri+1)/2;
		for (long long i=1; i<=r-mid+1; i++)
		{
		//	cout<<i<<" "<<l<<" "<<pos[l]<<" "<<ri<<" "<<pos[ri]<<" "<<mid<<" "<<pos[mid]<<endl;
			shua=(i+i+mid)/2;
			sn=sum[shua-1]-sum[i-1];
			sm=sum[i+mid-1]-sum[shua];
			if ((pos[shua]*(shua-i)-sn)+sm-(pos[shua]*(i+mid-1-shua))<=b)
			{
				ans=mid;
				l=mid+1;
              yy=1;
			}
		}
      if (yy==0) ri=mid-1;
	}
	return ans;
}

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