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# Creating stacks

Posted on 2009-04-01
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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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Expert Comment

ID: 24037369
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

Infinity08 earned 200 total points
ID: 24037371
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

ID: 24037788
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

ID: 24037857
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
0

LVL 10

Expert Comment

ID: 24046287
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

ID: 24055518

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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LVL 84

Expert Comment

ID: 24055615
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

ID: 24055809
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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LVL 84

Expert Comment

ID: 24055826
how is stack declared?
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LVL 53

Expert Comment

ID: 24057606
>> 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

ID: 24065065
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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LVL 84

Accepted Solution

ozo earned 300 total points
ID: 24065493
typedef struct
{
int height;
int width;
}BOXA;

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

ID: 31565235
Thanks a lot.
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