Submission #1256773

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Source Code Expand

using System;
using System.Linq;
 
namespace cPOPAS
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] x = Console.ReadLine().Split().Select(int.Parse).ToArray();
            int[] a = Console.ReadLine().Split().Select(int.Parse).ToArray();
            Console.WriteLine(a.Max() * 2 > x[0] + 1 ? a.Max() * 2 - 1 - x[0] : 0);
        }
    }
}

Submission Info

Judge Result