using System;
using System.Diagnostics;
class Prog
{
  int func1_1(int a, out int result)
  {
    result = a + 1;

    if (a > 1000000)
      return -1;
    else
      return 0;
  }

  int func1_2(int a, out int result)
  {
    if (func1_1(a, out result) == 0)
      return 0;
    else
      return -1;
  }

  int func1_3(int a, out int result)
  {
    if (func1_2(a, out result) == 0)
      return 0;
    else
      return -1;
  }

  int func1_4(int a, out int result)
  {
    if (func1_3(a, out result) == 0)
      return 0;
    else
      return -1;
  }

  int func1_5(int a, out int result)
  {
    if (func1_4(a, out result) == 0)
      return 0;
    else
      return -1;
  }

  int func2_1(int a)
  {
    if (a > 1000000)
      throw new Exception("qq");

    return a + 1;
  }

  int func2_2(int a)
  {
    return func2_1(a);
  }

  int func2_3(int a)
  {
    return func2_2(a);
  }

  int func2_4(int a)
  {
    return func2_3(a);
  }

  int func2_5(int a)
  {
    return func2_4(a);
  }

  private string Run(string title, int max)
  {
    var start1 = Stopwatch.StartNew();
    int res1 = 0;
    for (int i = 0; i < max; i++)
    {
      int val;
      if (func1_5(i, out val) == 0)
      {
        func1_5(i, out val);
        res1 += val;
      }
      else
        break;
    }
    var end1 = start1.Elapsed;

    var start2 = Stopwatch.StartNew();
    int res2 = 0;
    try
    {
      for (int i = 0; i < max; i++)
      {
        res2 += func2_5(i);
      }
    }
    catch
    {
      // do nothing
    }
    var end2 = start2.Elapsed;

    return String.Format("{0}: {1} ({2}), {3} ({4})", title, end1, res1, end2, res2);
  }

  public static void Main()
  {
    var prog = new Prog();
    prog.Run("test run", 1000010);
    prog.Run("test run", 1000010);
    prog.Run("test run", 1000010);

    var line1 = prog.Run("No exceptions", 1000000);
    var line2 = prog.Run("Single exception", 1000002);
    var line3 = prog.Run("Two exceptions", 1000003);

    System.IO.File.WriteAllLines("c:\\temp\\temp.txt", new[] { line1, line2, line3 });
  }
}