Submission #1382344

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Source Code Expand

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.util.stream.IntStream;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        List<Position> list = new ArrayList<>();
        IntStream.range(0,N).forEach(i->list.add(new Position(sc.nextInt(),sc.nextInt())));
        int max = 0;
        for(Position l:list)for(Position r:list)max=Math.max(max,r.Dist(l));
        System.out.println(Math.sqrt(max));
    }
}

class Position
{
    private int x;
    private int y;
    Position(int x,int y)
    {
        this.x=x;
        this.y=y;
    }
    public int Dist(Position another)
    {
        return (x-another.x)*(x-another.x)+(y-another.y)*(y-another.y);
    }
}

Submission Info

Judge Result