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Creating stacks

Posted on 2009-04-01
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Last Modified: 2012-05-06
hi everyone,

i might have a dumb question...  is it possible to create 3 stacks with similar but added stuff...
i am not looking for code but for some direction...

lets say i have a stack A that has things such as int a , int b.
now stack B would have int a and int b as well as int c..
stack C would have int a, int b, int c,int d...
the above is the simplified version...thanks
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Question by:zizi21
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13 Comments
 
LVL 11

Expert Comment

by:kyodai
Comment Utility
No, your variables need to be unique if you want to use them globally. If you put the stack name in the variable name like "intStack1A" you can also use "intStack2A" without any problems.
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Assisted Solution

by:Infinity08
Infinity08 earned 200 total points
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Of course. Although, I don't really see what the use of this is ... Could you give a bit more information/context about what you're trying to do ?
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Expert Comment

by:Subrat (C++ windows/Linux)
Comment Utility
int a,b; // Stack A
main() {
  int a,b,c; // Stack B

  {
 
      int a,b,c,d; // Stack C
 
  }

}
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Expert Comment

by:CSecurity
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sure! you have 3 stacks:
A: 1 2 3
B: 1 2 3 4
C: 1 2 3 4 5

this doesn't cause a problem. you have 3 stacks.
regards
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Expert Comment

by:Korbus
Comment Utility
If the items you are putting on the stacks are much larger than integers, you might want to put POINTERS to your variables on the various stacks, rather than the vaules themselves. (eliminates duplication of data in memory)

The other advantage to using pointers is: if you change a value for one variable,  that variable's value would change in all the other stacks too.
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Author Comment

by:zizi21
Comment Utility
sorry for the late reply...

i was thinking of such thing as reusing stack codes again and again instead of creating different stacks..i think,,,there is no such thing..
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Expert Comment

by:ozo
Comment Utility
what is the code that you are thinking of reusing, and what were you thinking of reusing it to do?
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Author Comment

by:zizi21
Comment Utility
i was just being lazy to have few stacks with the only difference of have additional items...i thought, of declaring a stack code once and then, reuse it ..looks a bit professional..i am wrong i guess...

lets say i have stack A it has item a and b.

now, i need to declare another stack called it stack B it has item a, b, c.

i thought, it was tiresome to write different push operations for various stacks...why not try to see if cud reuse....
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Expert Comment

by:ozo
Comment Utility
how is stack declared?
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Expert Comment

by:Infinity08
Comment Utility
>> looks a bit professional..i am wrong i guess...

Why do you say you're wrong ?

What makes you think that you can't do this ?


Also, refer to my earlier post : http:#24037371
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Author Comment

by:zizi21
Comment Utility
i am trying to do it and i cant seem to get it right..i have removed a lot variables...

typedef struct box
{
int height;
int width;
}BOX;
typedef struct holder
{
BOX * boxes;
int top;
}HOLD;

Now, i am trying to add to more variables to the BOX struct...how do i do that...just some guidance or link to tutorial would be appreciated.
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Accepted Solution

by:
ozo earned 300 total points
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typedef struct
{
int height;
int width;
}BOXA;

typedef struct
{
BOXA box
int top;
}BOXB;
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Author Closing Comment

by:zizi21
Comment Utility
Thanks a lot.
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