Submission #2701462

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Source Code Expand

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace The_longest_distance
{
    class Program
    {
        static void Main(string[] args)
        {
            var N = int.Parse(Console.ReadLine());
            var array = new string[N];
            for (int i = 0; i < N; i++)
            {
                array[i] = Console.ReadLine();
            }
            var position = array
                .Select(item => new { X = int.Parse(item.Split(' ').First())
                                    , Y = int.Parse(item.Split(' ').Last()) })
                .ToArray();
            var distance = 0.0;
            for (int i = 0; i < N; i++)
            {
                for (int j = 0; j < N; j++)
                {
                    var tmpDis = Math.Pow(Math.Abs(position[i].X - position[j].X), 2) 
                        + Math.Pow(Math.Abs(position[i].Y - position[j].Y), 2);
                    distance = distance > tmpDis ? distance : tmpDis;
                }
            }

            Console.WriteLine(Math.Sqrt(distance));
            Console.WriteLine();
            Console.ReadLine();
        }
    }
}

Submission Info

Judge Result