Problem:
Score : 200 points

Problem Statement

You are given an integer sequence A of length N.
Find the maximum absolute difference of two elements (with different indices) in A.

Constraints

2 \leq N \leq 100

1 \leq A_i \leq 10^9

All values in input are integers.

Input

Input is given from Standard Input in the following format:

N
A_1 A_2 ... A_N

Output

Print the maximum absolute difference of two elements (with different indices) in A.

Sample Input 1

4
1 4 6 3

Sample Output 1

5

The maximum absolute difference of two elements is A_3-A_1=6-1=5.

Sample Input 2

2
1000000000 1

Sample Output 2

999999999

Sample Input 3

5
1 1 1 1 1

Sample Output 3

0

Solution in C# (Mono 4.6.2.0) (judge verdict: Wrong Answer)

using System;
using System.Collections.Generic;
using System.Linq;

namespace ABC099
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> list = new List<string>();
            while (true)
            {
                string line = Console.ReadLine();
                if (line == null) break;
                list.Add(line);
            }
            var str = list[1].Split(' ');

            var linq = str.OrderByDescending(z => z);
            int[] result = new int[2];
            result[0] = int.Parse(linq.First());
            result[1] = int.Parse(linq.Last());

            Console.WriteLine(result[0] - result[1]);
        }
    }
}