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Pasted as C# by registered user Cryst94 ( 14 years ago )
using System;

namespace _1820
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] tokens = Console.ReadLine().Split(' ');
            int n = int.Parse(tokens[0]);
            int k = int.Parse(tokens[1]);

            if ((n>=1)&&(k<=1000))
            {
                int f = 2 * n % k;
                if (f == 0)
                {
                    Console.WriteLine(2 * n / k);
                }
                else
                {
                    Console.WriteLine(2 * n / k + 1);

                }
            }
         }
    }
}

 

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