Submission #602933

---

Source Code Expand

import java.util.*;
 
class Main {
    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];
    	int i;
    	for(i = 0; i < N; i++) {
    		x[i] = sc.nextInt();
    		y[i] = sc.nextInt();
    	}
    	double max = 0;
    	double tmp;
    	for(i = 0; i < N; i++) {
    		for(int j = i; j < N; j++) {
    			tmp = (double)Math.sqrt((x[i] - x[j]) * (x[i] - x[j]) +
    					                (y[i] - y[j]) * (y[i] - y[j]));
    			if(tmp > max) {
    				max = tmp;
    			}
    		}
    	}
    	System.out.println(max);
    }
}

Submission Info

Judge Result