Submission #792395

---

Source Code Expand

import java.util.ArrayList;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		ArrayList<Integer> x = new ArrayList<Integer>();
		ArrayList<Integer> y = new ArrayList<Integer>();
		int square_l = 0;
		int N = scan.nextInt();
		int temp;
		for (int i = 0; i < N; i++) {
			temp = scan.nextInt();
			x.add(temp);
			temp = scan.nextInt();
			y.add(temp);
		}
		for(int i = 0; i < N - 1; i++){
			for(int j = 1;j<N;j++){
				temp = (x.get(i)-x.get(j))*(x.get(i)-x.get(j))+(y.get(i)-y.get(j))*(y.get(i)-y.get(j));
				if(temp > square_l){
					square_l = temp;
				}
			}
		}
		System.out.println(Math.sqrt(square_l));
	}
}

Submission Info

Judge Result