Submission #1110242

#	Time	Username	Problem	Language	Result	Execution time	Memory
1110242		vjudge1	Growing Vegetables is Fun 5 (JOI24_vegetables5)	C++17	30 / 100	311 ms	41616 KiB

Main

#include<bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define pb push_back
using namespace std;
int n,a[10005],b[5005],c[5005];
int dp[5005][5005];

int get(int l,int r)
{
	vector<int> vb,vc;
	for(int i=1;i<l;i++) vc.pb(a[i]);
	for(int i=l;i<=r;i++) vb.pb(a[i]);
	for(int i=r+1;i<=2*n;i++) vc.pb(a[i]);
	sort(vc.begin(),vc.end());
	sort(vb.begin(),vb.end());
	
	int mx1=0,mx2=0;
	for(int i=1;i<=n;i++)
	{
		mx1=max(mx1,abs(b[i]-vb[i-1]));
	}
	
	for(int i=1;i<=n;i++)
	{
		mx1=max(mx1,abs(c[i]-vc[i-1]));
	}
	
	for(int i=1;i<=n;i++)
	{
		mx2=max(mx2,abs(c[i]-vb[i-1]));
	}
	
	for(int i=1;i<=n;i++)
	{
		mx2=max(mx2,abs(b[i]-vc[i-1]));
	}
	
	return min(mx2,mx1);
}



bool check(int mid)
{
	for(int i=1;i<=n+1;i++)
	{
		int mx=0;
		mx=dp[i][i+n-1];
		if(mx<=mid) return true;
	}
	return false;
}
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);cout.tie(0);
//	freopen(".INP","r",stdin);
//	freopen(".OUT","w",stdout);
	cin>>n;
	for(int i=1;i<=n*2;i++)
	{
		cin>>a[i];
	}
	for(int i=1;i<=n;i++)
	{
		cin>>b[i];
	}
	for(int i=1;i<=n;i++)
	{
		cin>>c[i];
	}
	sort(b+1,b+1+n);
	sort(c+1,c+1+n);
	
	for(int i=1;i<=n+1;i++)
	{
		int j=i+n-1;
		dp[i][j]=get(i,j);
	}
	
	int l=0,r=1e9,res=0;
	while(l<=r)
	{
		int mid=(l+r)/2;
		if(check(mid))
		{
			res=mid;
			r=mid-1;
		}
		else l=mid+1;
	}
	cout<<res;
	return 0;
}

• Subtask 1: 4 / 4
• Subtask 2: 5 / 5
• Subtask 3: 21 / 21
• Subtask 4: 0 / 37
• Subtask 5: 0 / 33