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Please help me with the program code

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Please help me with the program code

 
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  #1
Jun 3rd, 2009
I need to write a program to print the below pattern of * representing the alphabet X.
I am unable to print an X using asterisks in the post.
I hope you can understand the below explanation.
The X should have 7 rows - with three rows at the top and 3 at the bottom. Each row holds 2 *.

* *
* *
* *
*
* *
* *
* *

Please Help !!!!!!!!!!!!!!!
Last edited by shakeelahmed22; Jun 3rd, 2009 at 3:58 pm. Reason: unable to print an X with *
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Re: Please help me with the program code

 
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  #2
Jun 3rd, 2009
did you do any code already?
can you post it?
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Re: Please help me with the program code

 
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Jun 3rd, 2009
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Originally Posted by shakeelahmed22 View Post
I need to write a program to print the below pattern of * representing the alphabet X.
I am unable to print an X using asterisks in the post.
I hope you can understand the below explanation.
The X should have 7 rows - with three rows at the top and 3 at the bottom. Each row holds 2 *.

* *
* *
* *
*
* *
* *
* *

Please Help !!!!!!!!!!!!!!!

Use code tags. It preserves formatting.


[code]
// paste *'s here
[/code]


Java Syntax (Toggle Plain Text) 
  1. *           *
  2.   *       *
  3.     *   *
  4.        *          
  5.     *   *
  6.   *       *
  7. *           *

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Each row holds 2 *.
Looks like the middle row only holds one.

You should use a nested for-loop (a for loop within another for loop).
Last edited by VernonDozier; Jun 3rd, 2009 at 4:04 pm.
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Re: Please help me with the program code

 
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  #4
Jun 3rd, 2009
Thanks for the prompt response... I do understand that it can be done through nested loops.. but can you specify the conditions for the FOR and the nested FOR loop.

Thanks once again.

Shakeel
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Re: Please help me with the program code

 
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  #5
Jun 3rd, 2009
The pattern is as below
Java Syntax (Toggle Plain Text) 
  1. *           *
  2.   *       *
  3.     *   *
  4.        *          
  5.     *   *
  6.   *       *
  7. *           *
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Re: Please help me with the program code

 
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  #6
Jun 3rd, 2009
A simple solution:

java Syntax (Toggle Plain Text) 
  1. int draw() 
  2. {
  3.     int pat[7][7] = { 1, 0, 0, 0, 0, 0, 1,
  4.                       0, 1, 0, 0, 0, 1, 0,
  5.                       0, 0, 1, 0, 1, 0, 0,
  6.                       0, 0, 0, 1, 0, 0, 0,
  7.                       0, 0, 1, 0, 1, 0, 0,
  8.                       0, 1, 0, 0, 0, 1, 0,
  9.                       1, 0, 0, 0, 0, 0, 1
  10.                     };
  11.  
  12.     int i, j;
  13.  
  14.     for(i = 0; i < 7; i++)
  15.     {
  16.           for(j = 0; j < 7; j++)
  17.           {
  18.                 if(pat[i][j] == 1)
  19.                 { 
  20.                   System.out.print("*");
  21.                 } 
  22.                 else 
  23.                 {
  24.                    System.out.print(" ");   
  25.                 }
  26.           }
  27.           System.out.print("\n");
  28.     }          
  29.     return 0;
  30. }
Last edited by Luckychap; Jun 3rd, 2009 at 5:27 pm.
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Re: Please help me with the program code

 
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  #7
Jun 3rd, 2009
Well, sure, except for three things:
1) it's C and this is the Java forum
2) If you are going to hard-code the whole pattern, why would you bother to use 1 and 0 to encode it just so you can translate it back with if() statements to the '*' you want to print? You may as well just put the asterisks in an array and print it in that case.
3) I would assume figuring out the loop logic is a goal of the assignment.
Last edited by Ezzaral; Jun 3rd, 2009 at 5:30 pm.
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Re: Please help me with the program code

 
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  #8
Jun 4th, 2009
hey luckychap thanx 4 da reply...bt i m still having a problem wid it....
look this is what i tried
java Syntax (Toggle Plain Text) 
  1. class pattern
  2. {
  3. void disp()
  4. {
  5. int a[7][7]={{*,0,0,0,0,0,*},
  6.                     {0,*,0,0,0,*,0},
  7.                     {0,0,*,0,*,0,0},
  8.                     {0,0,0,*,0,0,0},
  9.                     {0,0,*,0,*,0,0},
  10.                     {0,*,0,0,0,*,0},
  11.                     {*,0,0,0,0,0,*}};
  12.             for(int i = 0;i<7;i++)
  13.             {
  14.                 for int(j = 0; j<7;j++)
  15.                 {
  16.                     if(a[i][j] == '*')
  17.                     System.out.print("*");
  18.                     else 
  19.                     System.out.print(" ");
  20.                 }
  21.                 System.out.println();
  22.             }
  23.         }
  24.     }
evryime i try 2 compile this program its displaying
']' expected
....i dont understand it...
what shall i do now????
n also i think ezzaral has a point when he says we can simply put the asterisks in the array n print it
Last edited by Tekmaven; Jun 4th, 2009 at 3:15 pm. Reason: Code Tags
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Re: Please help me with the program code

 
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  #9
Jun 4th, 2009
There is a syntax error in the second for loop..
the opening braces should be before "int"
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Re: Please help me with the program code

 
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  #10
Jun 4th, 2009
hey thanx....i dint notice that before but i m still facing a problem....u c
int a[7][7]={{*,0,0,0,0,0,*},
this line is getting highlighted n i m still facing the same error!!!
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