Submission #792331

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Source Code Expand

import java.util.Scanner;

public class Main{

    static double dist(int x1,int y1,int x2,int y2){
        return Math.sqrt((double)(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
    }

    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] x = new int[n];
        int[] y = new int[n];

        for(int i = 0; i < n; i++){
            x[i] = sc.nextInt();
            y[i] = sc.nextInt();
        }

        double max = 0;

        for(int i=0;i<n-1;i++){
            for(int j=i+1;j<n;j++){
                double d = dist(x[i],y[i],x[j],y[j]);
                if(d>max) max = d;
            }
        }

        System.out.println(max);
    }
}

Submission Info

Judge Result