Submission #5943543

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Source Code Expand

import java.util.*;


public class Main {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int num = Integer.parseInt(sc.nextLine());
        int[] posX = new int[num];
        int[] posY = new int[num];
        for(int i = 0;i < num;i++){
            String[] line = sc.nextLine().split(" ");
            posX[i] = Integer.parseInt(line[0]);
            posY[i] = Integer.parseInt(line[1]);
        }

        double ans = Double.MIN_VALUE;
        for(int i = 0;i < num -1; i++){
            for(int j = i+1;j < num;j++){

                double distance = Math.sqrt(Math.pow(posX[i]-posX[j],2) + 
                                            Math.pow(posY[i]-posY[j],2));

                if(distance > ans){
                    ans = distance;
                }
            }
        }
        System.out.println(String.format("%.6f", ans));
    }
}

Submission Info

Judge Result