2-dimensional array exercise!!!!!!!!!!!

This is a discussion on 2-dimensional array exercise!!!!!!!!!!! within the C Programming forums, part of the General Programming Boards category; Hi all, I am a newbie of C im doing my exercise about showing the edge like this 0 0 ...

  1. #1
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    Apr 2010
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    Exclamation 2-dimensional array exercise!!!!!!!!!!!

    Hi all, I am a newbie of C
    im doing my exercise about showing the edge like this
    0 0 0 0 0 0 0
    0 0 1 1 1 0 0
    0 1 0 0 0 1 0
    0 0 1 1 1 0 0
    0 0 0 0 0 0 0
    , and i got stuck w/ it. my code is:
    insert
    Code:
    #include <stdio.h>
    #include <stdlib.h>
    void print ( int A[5][7] );
    main ()
    {
    	int A[5][7] = { { 0, 0, 0, 0, 0, 0, 0 } ,
    	{ 0, 0, 1, 1, 1, 0, 0 } ,
    	{ 0, 1, 0, 0, 0, 1, 0},
    	{ 0, 0, 1, 1, 1, 0 ,0 } ,
    	{ 0, 0, 0, 0, 0, 0, 0 } };
    	printf ("\nShowing the edge: \n");
    	print(A);
    	return EXIT_SUCCESS;
    }
    void print (int A[5][7])
    {
    	int x, y;
    	
    	for (x = 0; x < 5; x++){
    		for (y = 0; y < 7; y++)
    		A[x][y]= 0 ;
    		putchar ('\n');
    	}
    }

    could u guys put some comments about it? Did I miss some commands or sth like that??? Please help me

  2. #2
    cas
    cas is offline
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    Sep 2007
    Posts
    993
    In the future, please don't use vague comments like “I got stuck with it.” Instead, you should explain things like the output you expect, the output you actually get, and so on. Be specific in describing the problem.

    In your case, your problem might be that your print() function isn't actually printing anything from the array. It sets each element to zero and prints a newline for each row. Is that what you wanted? Perhaps you should add a printf() instead of zeroing the array.

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