Is this a bug in the C # or my code is wrong?

Question

1.00/5 (4 votes)

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hi I write a program with C# and when i test it the result is wrong
and i write this with php and the output is true
.
in exchange array in C# it has problem.
please say to me what's the problem?

please download it from this link and trace the code. and say to me.
download link

the code in C#:

C#

try
            {

                StreamReader sr = new StreamReader("input.in");
                using (StreamWriter sw = new StreamWriter("output.out"))
                {
                    int a = int.Parse(sr.ReadLine());
                    for (int i = 0; i < a; i++)
                    {
                        string neveshteh = sr.ReadLine();
                        string[] arrayin;
                        arrayin=neveshteh.Split(' ');
                        int n = int.Parse(sr.ReadLine());
                        string[] arrayout = arrayin;

                        for (int j = 0; j < n; j++)
                        {
                            string charkhesh = sr.ReadLine();
                            string[] arr = charkhesh.Split(' ');
                            string bod = arr[0];
                            int m = int.Parse(arr[1]);
                            Console.WriteLine(arr[0]);
                            Console.WriteLine(arr[1]);
                            if (bod == "X")
                            {
                                for (int k = 1; k <= (m % 4); k++)
                                {
                                    arrayout[0] = arrayin[2];
                                    arrayout[1] = arrayin[0];
                                    arrayout[2] = arrayin[5];
                                    arrayout[3] = arrayin[3];
                                    arrayout[4] = arrayin[4];
                                    arrayout[5] = arrayin[1];
                                    arrayin = arrayout;


                                }
                            }
                            else if(bod == "Y")
                            {
                                for (int k = 1; k <= (m % 4); k++)
                                {
                                    arrayout[0] = arrayin[0];
                                    arrayout[1] = arrayin[3];
                                    arrayout[2] = arrayin[4];
                                    arrayout[3] = arrayin[2];
                                    arrayout[4] = arrayin[1];
                                    arrayout[5] = arrayin[5];

                                    arrayin = arrayout;
                                }
                            }
                            else if (bod == "Z")
                            {
                                for (int k = 1; k <= (m%4) ; k++)
                                {
                                    arrayout[0] = arrayin[3];
                                    arrayout[1] = arrayin[1];
                                    arrayout[2] = arrayin[2];
                                    arrayout[3] = arrayin[5];
                                    arrayout[4] = arrayin[0];
                                    arrayout[5] = arrayin[4];

                                    arrayin = arrayout;

                                }
                            }

                        }
                        for (int s = 0; s < 6; s++)
                        {
                            sw.Write(arrayout[s] + " ");
                        }
                        sw.WriteLine();




                    }

                }

            }
            catch
            {
            }

the cod ein php :

PHP

<?php

                $sr = file("input.in");
                $handle=fopen("output.out","a+");

                    $a = (int)$sr[0];
                    $myline=0;
                    for ($i = 0; $i < $a; $i++)
                    {
                        $myline++;
                        $neveshteh = $sr[$myline];
                        $neveshteh=str_replace(array("\r","\n"),"",$neveshteh);
                        //string[] arrayin = new string[6];
                        $arrayin=explode(" ",$neveshteh);
                        $myline++;
                        $n = (int)$sr[$myline];
                        $arrayout = $arrayin;

                        for ($j = 0; $j < $n; $j++)
                        {
                            $myline++;
                            $charkhesh = $sr[$myline];
                            $arr = explode(" ",$charkhesh);;
                            $bod = $arr[0];
                            $m = (int)$arr[1];
                            if ($bod == "X")
                            {
                                for ($k = 1; $k <= ($m % 4); $k++)
                                {
                                    $arrayout[0] = $arrayin[2];
                                    $arrayout[1] = $arrayin[0];
                                    $arrayout[2] = $arrayin[5];
                                    $arrayout[3] = $arrayin[3];
                                    $arrayout[4] = $arrayin[4];
                                    $arrayout[5] = $arrayin[1];
                                    $arrayin = $arrayout;


                                }
                            }
                            else if($bod == "Y")
                            {
                                for ($k = 1; $k <= ($m % 4); $k++)
                                {
                                    $arrayout[0] = $arrayin[0];
                                    $arrayout[1] = $arrayin[3];
                                    $arrayout[2] = $arrayin[4];
                                    $arrayout[3] = $arrayin[2];
                                    $arrayout[4] = $arrayin[1];
                                    $arrayout[5] = $arrayin[5];
                                    $arrayin = $arrayout;
                                }
                            }
                            else if ($bod == "Z")
                            {
                                for ($k = 1; $k <= ($m%4) ; $k++)
                                {
                                    $arrayout[0] = $arrayin[3];
                                    $arrayout[1] = $arrayin[1];
                                    $arrayout[2] = $arrayin[2];
                                    $arrayout[3] = $arrayin[5];
                                    $arrayout[4] = $arrayin[0];
                                    $arrayout[5] = $arrayin[4];
                                    $arrayin = $arrayout;

                                }
                            }

                        }
                        for ($s = 0; $s < 6; $s++)
                        {
                            fwrite($handle,$arrayin[$s]." ");
                        }
                        fwrite($handle,"\r\n");




                    }




?>

Posted 14-Oct-14 10:16am

Member 10289380

Updated 14-Oct-14 10:33am

v3

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Comments

Drazen Pupovac 14-Oct-14 16:22pm

There is the link, but wrong path. It should be: http://www.gozindadeh.com/mokaab.rar

Member 10289380 14-Oct-14 16:25pm

excuse me, i correct it

Kornfeld Eliyahu Peter 14-Oct-14 16:27pm

Probably not too much CPians will download something from an unknown link from an unknown person...
Please paste in your relevant code as part of your question...

Member 10289380 14-Oct-14 16:33pm

i do it

Member 10289380 14-Oct-14 16:29pm

yes, and i correct the link

Member 10289380 14-Oct-14 16:36pm

i think my code is true, please trace C# code in visual studio line to line and see the problem,
in Download link i put the code and input file for test it

[no name] 14-Oct-14 16:38pm

And the reason that you are unable to debug your own code is because....?

Kornfeld Eliyahu Peter 14-Oct-14 16:40pm

Debug to see the difference...
(A hint - there is nothing wrong with C#, but there are differences between C# and PHP)

Member 10289380 14-Oct-14 16:41pm

the output file with php is true!
but the output with C# is wrong!

BillWoodruff 14-Oct-14 18:09pm

Why can't you debug this yourself; do you not have Visual Studio. If not, you can download Visual Studio Express for free, just search for it.

Member 10289380 15-Oct-14 1:07am

i debug it, i want you debug and trace it to realize a bug in C#

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Drazen Pupovac · Accepted Answer · 2014-10-14T10:40:00

You must explain better the issue, but I think you have problem with references in C#. Basically, what are you trying is to clone the array and create temporary, but array in C# is reference, what mean that "arrayout" and "arrayin" point to the same value in the heap.

C#

string[] arrayin;
arrayin=neveshteh.Split(' ');
int n = int.Parse(sr.ReadLine());
string[] arrayout = arrayin;

Instead of using "=", you can copy all values from one array to the another in a loop. Also, this method should work link (I didn't try it yet).