Submission #29400

#	Time	Username	Problem	Language	Result	Execution time	Memory
29400		dereotu	Rice Hub (IOI11_ricehub)	C++14	100 / 100	23 ms	6708 KiB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
#define pii pair<int,int>
#define mp make_pair
#define pb push_back
#define st first
#define nd second
#define forr(i,A,B) for(int i=A;i<B;++i)
#define space ' '
#define endl '\n'
#define LL long long
using namespace std;

int ans;
long long sum[100005];
int besthub(int R, int L, int X[], long long B){
	int lp=0,rp=0;
	forr(i,0,R){
		sum[i]=sum[i-1]+X[i];
	}
	while(rp<R){
		int mid=(lp+rp)/2;
		long long cost=X[mid]*(mid-lp)-X[mid]*(rp-mid)-(sum[mid-1]-sum[lp-1])+(sum[rp]-sum[mid]);
		if(cost>B){
			lp++;
		}
		else{
			ans=max(ans,rp-lp+1);
			rp++;
		}
	}
	return ans;
}

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