제출 #94777

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
94777		MvC	쌀 창고 (IOI11_ricehub)	C++11	100 / 100	17 ms	3320 KiB

ricehub

#include "ricehub.h"
#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=1e5+50;
const int mod=1e9+7;
using namespace std;
int n,m,l,r,mid,i;
ll b,x[nmax],s[nmax];
int ok(int k,int md)
{
    for(int i=k;i<=n;i++)
    {
        ll tot=x[i-k+md]*1LL*md-(s[i-k+md]-s[i-k])+s[i]-s[i-k+md]-1LL*(k-md)*x[i-k+md];
        if(tot<=b)return 1;
    }
    return 0;
}
int besthub(int N,int m,int y[],ll B)
{
	//freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	//ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
	b=B;
	n=N;
	for(i=1;i<=n;i++)
	{
	    x[i]=y[i-1];
	    s[i]=s[i-1]+x[i];
	}
	l=1,r=n;
	while(l<=r)
	{
	    mid=(l+r)/2;
	    if(ok(mid,(mid/2)+1))l=mid+1;
	    else r=mid-1;
	}
	return max(l-1,1);
}

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