Submission #65202

---

Source Code Expand

using System;
using System.Collections.Generic;

class Myon
{
    public Myon() { }
    public static int Main()
    {
        new Myon().calc();
        return 0;
    }

    void calc()
    {
        int n = int.Parse(Console.ReadLine());
        int[] x = new int[n];
        int[] y = new int[n];
        for (int i = 0; i < n; i++)
        {
            string[] st = Console.ReadLine().Split(' ');
            x[i] = int.Parse(st[0]);
            y[i] = int.Parse(st[1]);
        }
        double max = 0;

        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                max = Math.Max(max, hypot(x[i] - x[j], y[i] - y[j]));
            }
        }
        Console.WriteLine("{0:0.0000000000000}",max);
    }
    double hypot(double a, double b)
    {
        return Math.Sqrt(a * a + b * b);
    }
   
}

Submission Info

Judge Result