Submission #552493

#	Time	Username	Problem	Language	Result	Execution time	Memory
552493		Sharky	Rice Hub (IOI11_ricehub)	C++17	100 / 100	19 ms	2544 KiB

ricehub

#include <bits/stdc++.h>
using namespace std;
long long pref[100005];
int besthub(int n, int m, int a[], long long b)
{
	pref[0]=a[0];
	for (long long i=1; i<n; i++)
		pref[i]=pref[i-1]+a[i];
	long long ans=0;
	for (long long i=0; i<n; i++)
	{
		long long l=i, r=n-1;
		while (l<r)
		{
			long long mid=(l+r+1)/2;
			if (pref[mid]-pref[(i+mid)/2]-pref[(i+mid-1)/2]+(i==0?0:pref[i-1])<=b)
				l=mid;
			else
				r=mid-1;
		}
		ans=max(ans, l-i+1);
	}
	return ans;
}

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