Submission #2025185

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Source Code Expand

using System;
using System.Linq;

namespace kupc2012pr_1
{
    class Program
    {
        public static long[,] ret = new long[4,100000];
        static long Ackermann_function(int m,long n)
        {
            if (ret[m,n] == 0)
            {
                if (m == 0) ret[m,n] = n + 1;
                else if (n == 0) ret[m,n] = Ackermann_function(m - 1,1);
                else ret[m,n] = Ackermann_function(m - 1,Ackermann_function(m,n - 1));
            }
            return ret[m,n];
        }
        static void Main(string[] args)
        {
            int[] x = Console.ReadLine().Split().Select(int.Parse).ToArray();
            Console.WriteLine(Ackermann_function(x[0],x[1]));
        }
    }
}

Submission Info

Judge Result