Submission #1247887

#	Time	Username	Problem	Language	Result	Execution time	Memory
1247887		LM1	Rice Hub (IOI11_ricehub)	C++20	100 / 100	13 ms	1532 KiB

ricehub

#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N=1e5+5;
ll B;
ll pr[N],ans=-1e18;
ll solve(int l,int X[],ll B,int R){
	int l1=l,r1=R;
	while(l1<r1){
		int mid=(l1+r1+1)/2,k=(l+mid)/2;
		if((ll)X[k-1]*(k-l+1)-(pr[k]-pr[l-1])+(pr[mid]-pr[k])-(mid-k)*(ll)X[k-1]>B)r1=mid-1;
		else l1=mid;
	}
	return l1-l+1;
}
int besthub(int R,int L,int X[],ll B){
	for(int i=0;i<R;i++)pr[i+1]+=pr[i]+X[i];
	for(int i=1;i<=R;i++)ans=max(solve(i,X,B,R),ans);
	return ans;
}

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