Submission #1270609

---

Source Code Expand

using System;
using System.Linq;

namespace arc004_1
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int[,] point = new int[n, 2];
            for (int i = 0; i < n; i++)
            {
                int[] x = Console.ReadLine().Split().Select(int.Parse).ToArray();
                point[i, 0] = x[0]; point[i, 1] = x[1];
            }
            double max = 0;
            for (int i = 0; i < n; i++)
            {
                for (int j = i + 1; j < n; j++)
                {
                    max = Math.Max(max, Math.Sqrt((point[i, 0] - point[j, 0]) * (point[i, 0] - point[j, 0]) + (point[i, 1] - point[j, 1]) * (point[i, 1] - point[j, 1])));
                }
            }
            Console.WriteLine(max);
        }
    }
}

Submission Info

Judge Result