using System;
using System.Threading.Tasks;

namespace ParallelForSample
{
  public class MultiCore
  {
    public static void Calculate(int calcVal)
    {
      Utility util = new Utility();
      util.Start();

      int[,] G = new int[calcVal, calcVal];

      Parallel.For(0, calcVal,
        delegate(int k)
        {
          Parallel.For(0, calcVal, delegate(int i)
          {
            for (int j = 0; j < calcVal; j++)
              G[i, j] = Math.Min(G[i, j], G[i, k] + G[k, j]);
          });
        }
      );

      util.Stop();
    }
  }
}