Submission #435653

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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 N = sc.nextInt();
    		int[][] xy = new int [N][2];
    		double ans=0, line;
    		for(int i=0;i<xy.length;i++){
    			for(int j=0;j<xy[i].length;j++){
    				xy[i][j]=sc.nextInt();
    			}
    		}
    		for(int i=0;i<xy.length;i++){
    			for(int j=i;j<xy.length;j++){
    				line=Math.pow(Math.pow(xy[i][0]-xy[j][0],2)+Math.pow(xy[i][1]-xy[j][1],2),(double)1/2);
    				if(ans < line){
    					ans = line;
    				}
    			}
    		}
    		System.out.println(ans);
    	}
    }

Submission Info

Judge Result